Wednesday, November 24, 2010

The (duopolistic, Federally funded) market for dialysis

Robin Fields in The Atlantic discusses dialysis: “God Help You. You're on Dialysis.”

It begins:
"In October 1972, after a month of deliberation, Congress launched the nation’s most ambitious experiment in universal health care: a change to the Social Security Act that granted comprehensive coverage under Medicare to virtually anyone diagnosed with kidney failure, regardless of age or income..."

But most of the story focuses on the dire situation of those in dialysis.
"Dialysis entered the American consciousness in the early 1960s as the country’s signature example of medical rationing. In those days, kidney disease killed about 100,000 people a year. Chronic dialysis was possible, thanks to two inventions: the artificial-kidney machine developed by the Dutch doctor Willem Kolff during World War II and a vascular-access device designed by Belding Scribner, a pioneering Seattle physician who opened the first outpatient dialysis center in the United States. But treatments were expensive, and most private insurers would not pay for them. At Scribner’s medical center, the Life or Death Committee parceled out the few slots, weighing not only the health of patients and their income, but also their perceived social worth.

"News reports about the committee’s work sparked one of the earliest national debates over the right to care and put pressure on the government to step in. A turning point came when Shep Glazer, vice president of the largest patient group, made an emotional appeal to the House Ways and Means Committee, as he underwent dialysis on the hearing-room floor. “If your kidneys failed tomorrow, wouldn’t you want the opportunity to live?” asked the 43-year-old father of two. “Wouldn’t you want to see your children grow up?”

"The measure establishing taxpayer funding for treatment of end-stage renal disease, signed into law by President Nixon, was expansive, and its lopsided, bipartisan approval reflected the times. Many lawmakers—even conservatives—thought the United States would adopt a European-style national health-care system. Also, the program that took effect in July 1973 was expected to have about 35,000 patients and cost about $1 billion in its 10th year.

"Those estimates came to seem almost laughable. The number of dialysis patients surpassed 35,000 by 1977 and has gone up from there. The growth reflected not only lower-than-expected transplant rates and the spread of diabetes, but also positive trends, like better cardiac care. With Americans living long enough for their kidneys to fail and no disqualifying conditions for the program, even the oldest and sickest patients increasingly were prescribed dialysis. Upwards of 100,000 now start treatment each year. “It’s been a perfect example of that line, ‘Build it and they will come,’” said Dr. Jay Wish, director of dialysis services for University Hospitals Case Medical Center in Cleveland.

"Because the kidney program absorbed that unforeseen wave—and thus, prolonged so many lives—some call it one of the great success stories of modern medicine. Still, the annual bill for the program quickly outpaced early projections, surging past $1 billion within six years. Per-patient expenditures were expected to drop as technology advanced. Instead they have risen steadily, as drug and hospitalization costs grew for the program’s increasingly frail clientele."
...
"Problems like those that regulators found in McMurry’s clinic are partly rooted in economics. The government’s payment policies for dialysis have created financial incentives that, in some ways, have worked against better patient care, while enabling for-profit corporations to dominate the business.

When the end-stage-renal-disease program began, hospitals provided most of the care on a nonprofit basis. But spurred by the guarantee of Medicare money, the marketplace met the growing demand for services through the expansion of for-profit companies. Today, more than 80 percent of the nation’s 5,000 clinics are for-profit. Almost two-thirds of all clinics are operated by two chains: Colorado-based DaVita and Fresenius, a subsidiary of a German corporation that is the leading maker of dialysis machines and supplies.

From the start, the government’s payment rules rewarded efficiency. Medicare set a rate for dialysis treatments, originally $138 per session, and covered a maximum of three treatments a week for most patients. Providers could keep whatever they didn’t spend on care. There were no penalties for poor results and no bonuses for good ones. Unlike other Medicare rates, the payment wasn’t adjusted upward for inflation.

Lawmakers cut the base rate to about $123 per treatment in 1983, after the program’s cost came in higher than expected and audits showed providers averaging profits of more than 20 percent. Dialysis companies responded like any other business facing a drop in prices, said Philip J. Held, a nationally recognized researcher on kidney disease and an economist by training. They chopped expenses by shortening treatments, thinning staff, and assigning tasks once done by nurses to unlicensed technicians. Some reused dialyzers, the filters that clean the patient’s blood. “It changed the nature of the service,” Held said of the rate cut. “You get what you pay for. The price was lower, but the product was dramatically different.”

The government created another perverse incentive by allowing clinics to bill Medicare separately for certain medications, reimbursing them at a markup over what they paid drug makers. Dialysis companies embraced the opportunity: doses of Epogen, prescribed to treat anemia, and similar medications tripled between 1989 and 2005, becoming Medicare’s single largest pharmaceutical expense. “Their core business became giving patients injectable drugs,” said Richard A. Hirth, a professor of health management and policy at the University of Michigan School of Public Health. “Dialysis was just the loss leader that got [patients] in the door.”

Tuesday, November 23, 2010

Signaling (by candidates) and advertising (by employers) on the Economics job market

John Cawley has been carefully reading the ads in Job Openings for Economists, and he notices that advertisers have been taking explicit note of the signaling mechanism in the economics job market.

He notes:
"University College London writes in their JOE ad that: "We will pay particular attention to the applications of candidates who have signalled their interest in UCL through the AEA signalling system."

and the JOE ad for U Mass - Amherst states: Candidates will be interviewed at ASSA (Denver) and are encouraged to use AEA signaling.

(Here's a direct link to our recent paper:
The Job Market for New Economists: A Market Design Perspective, by Peter Coles, John Cawley, Phillip B. Levine, Muriel Niederle, Alvin E. Roth, and John J. Siegfried (Journal of Economic Perspectives—Volume 24, Number 4—Fall 2010—Pages 187–206) )

Monday, November 22, 2010

Entrepreneurial market design in old New York

My colleague Ed Glaeser has penned an economist's love letter to New York City that focuses on its entrepreneurial history: Start-Up City: Entrepreneurs are the heroes of New York’s past and the key to its future.

You should read the whole thing, but here's a part that caught my eye as focusing particularly on an entrepreneurial act of market design.

"Entrepreneurs have played a key role in every stage of New York’s development. During the early nineteenth century, when waterways were the lifelines of commerce, New York owed its expanding sea trade partly to natural advantages: a safe, centrally located harbor and a deep river that cut far into the American hinterland. But those advantages became important because of the vision and energy of entrepreneurs like Jeremiah Thompson, the gambling Quaker. Thompson immigrated to New York at 17 to work in the American branch of his family’s wool business. By the 1820s, he had established himself as America’s largest importer of English clothing, its largest exporter of raw cotton, and its third-largest issuer of bills of exchange.

"As a global trader, Thompson was acutely aware of the shortcomings of the transatlantic ships of the time, which would stay in port until their hulls were filled with goods. (Imagine showing up at LaGuardia and having to sit around until the airline sold enough tickets to fill the entire flight to Frankfurt.) Thompson saw an opening and created the Black Ball packet line, whose ships set sail on a scheduled day every month, no matter how light their cargoes were. His innovation was a gamble, since sometimes his ships sailed with relatively empty hulls, which meant less income from the merchants who bought the space. But a virtuous circle developed: fixed schedules attracted more cargo, and more cargo made ships sailing on fixed schedules more profitable. Once Thompson was turning a profit, other packet lines, like the Yellow Ball and Swallowtail lines, entered the market. An 1827 letter to the New England Palladium described the significance of Thompson’s invention: “I consider Commerce by lines of ships, on fixed days, an invention of the age nearly as important as Steam Navigation and in its results as beneficial to New York, which has chiefly adopted it, as the Grand [Erie] Canal.

"Thanks to such innovation, the city grew great during the first half of the nineteenth century, its population rising from 33,000 in 1790 to 814,000 on the eve of the Civil War. In 1821, New York’s exports, measured in dollars, were less than 10 percent higher than Boston’s. By 1860, New York was exporting over 700 percent more than the city on the Charles."

Sunday, November 21, 2010

Strategy-proofness and strategy sets: residency fraud in school choice

When we speak of strategy-proofness in the context of school choice, we are most often speaking about whether it is safe for parents to reveal their true preferences when asked to submit a rank ordering of possible school assignments. Of course, parents have other private information as well, and they may have incentives to misprepresent that also.

I'm reminded of this by the fact that the San Francisco Unified School District has recently sent a letter to the address of record to each student regarding an Amnesty Period for Residency Fraud.
(It includes the line "This letter is directed to families that have committed residency fraud. Parents/Guardians who have never submitted false residency information to the District may disregard this letter.")

Saturday, November 20, 2010

Research misconduct in the marketplace for science

Lately there have been a number of news stories about research misconduct of the "conventional" sort, involving scientists falsifying the scientific record by fabricating or misrepresenting data. When federal granting agencies find that someone has committed this kind of fraud they have procedures for denying them future grants, etc.

Here's a story about a kind of egregious scientific misconduct that is not covered by such procedures, although the criminal law addresses a small part of it. The story is about a scientist who sabotoged another scientist's experiments: Research integrity: Sabotage!

"Bhrigu, over the course of several months at Michigan, had meticulously and systematically sabotaged the work of Heather Ames, a graduate student in his lab, by tampering with her experiments and poisoning her cell-culture media. Captured on hidden camera, Bhrigu confessed to university police in April and pleaded guilty to malicious destruction of personal property, a misdemeanour that apparently usually involves cars: in the spaces for make and model on the police report, the arresting officer wrote "lab research" and "cells".
...
"Bhrigu's actions are surprising, but probably not unique. There are few firm numbers showing the prevalence of research sabotage, but conversations with graduate students, postdocs and research-misconduct experts suggest that such misdeeds occur elsewhere, and that most go unreported or unpoliced. In this case, the episode set back research, wasted potentially tens of thousands of dollars and terrorized a young student. More broadly, acts such as Bhrigu's — along with more subtle actions to hold back or derail colleagues' work — have a toxic effect on science and scientists. They are an affront to the implicit trust between scientists that is necessary for research endeavours to exist and thrive.


"Despite all this, there is little to prevent perpetrators re-entering science. In the United States, federal bodies that provide research funding have limited ability and inclination to take action in sabotage cases because they aren't interpreted as fitting the federal definition of research misconduct, which is limited to plagiarism, fabrication and falsification of research data. In Bhrigu's case, administrators at the University of Michigan worked with police to investigate, thanks in part to the persistence of Ames and her supervisor, Theo Ross.
...
"At Washtenaw County Courthouse in July, having reviewed the case files, Pollard Hines delivered Bhrigu's sentence. She ordered him to pay around US$8,800 for reagents and experimental materials, plus $600 in court fees and fines — and to serve six months' probation, perform 40 hours of community service and undergo a psychiatric evaluation.


"But the threat of a worse sentence hung over Bhrigu's head. At the request of the prosecutor, Ross had prepared a more detailed list of damages, including Bhrigu's entire salary, half of Ames's, six months' salary for a technician to help Ames get back up to speed, and a quarter of the lab's reagents. The court arrived at a possible figure of $72,000, with the final amount to be decided upon at a restitution hearing in September.

"Before that hearing could take place, however, Bhrigu and his wife left the country for India...
"Now that Bhrigu is in India, there is little to prevent him from getting back into science. And even if he were in the United States, there wouldn't be much to stop him. The National Institutes of Health in Bethesda, Maryland, through its Office of Research Integrity, will sometimes bar an individual from receiving federal research funds for a time if they are found guilty of misconduct. But Bhigru probably won't face that prospect because his actions don't fit the federal definition of misconduct, a situation Ross finds strange. "All scientists will tell you that it's scientific misconduct because it's tampering with data," she says."

HT: Muriel Niederle

Friday, November 19, 2010

Selling blood plasma as a part time job

In the Chronicle, Lawrence Biemiller writes, At Central Michigan U., It’s a Matter of Money

“For a lot of college students, it’s just a little extra spending money,” Mr. Canze said when I asked about the plasma trade. “I probably know nine to a dozen people who will go regularly. They screen you, hook you up, pump you, and get you on your way.” Each visit to the local BioLife Plasma Services facility takes about an hour, during which you can read, listen to music, or get on Facebook through the company’s Wifi network. The facility even offers day care.
“Donating” is a euphemism the company uses. The frequently-asked-questions section of the company’s Web site includes the question: “Why do plasma donors receive money for donating?” The answer: “Plasma donors spend up to two hours, as often as twice a week, in our centers to help save someone’s life or improve the quality of it. We merely offer compensation to our donors for their commitment to the program. For more compensation information, contact your local center directly.”
You make $20 per BioLife visit, Mr. Canze told me. You can go as often as twice a week, and if you go at least once a week for a month, you get a $20 bonus. The math is easy enough—you can make $180 a month. That’s real money, especially for college students, especially in Michigan.

Thursday, November 18, 2010

More on compensation for marrow donors

Representatives of the major world marrow donation clearinghouses come out against compensation for donors:

Remuneration of hematopoietic stem cell donors: principles and perspective of the World Marrow Donor Association by Michael Boo, Suzanna M. van Walraven*, Jeremy Chapman, Brian Lindberg, Alexander H. Schmidt, Bronwen E. Shaw, Galen E. Switzer, Edward Yang and Torstein Egeland, Blood, 2010 Oct 4. [Epub ahead of print]

Abstract: Hematopoietic stem cell transplantation (HSCT) is a curative procedure for life threatening hematological diseases. Donation of hematopoietic stem cells (HSC) from an unrelated donor, frequently residing in another country, may be the only option for 70% of those in need of unrelated HSCT. To maximize the opportunity to find the best available donor, individual donor registries collaborate internationally. To provide homogeneity of practice among registries, the World Marrow Donor Association (WMDA) sets standards against which registries are accredited, and provides guidance and regulations concerning unrelated donor safety and care. A basic tenet of the donor registries is that unrelated HSC donation is an altruistic act; non-payment of donors is entrenched in the WMDA standards and in international practice. In the United States, the prohibition against remuneration of donors has recently been challenged. In this document we describe the reasons that the WMDA continues to believe that HSC donors should not be paid due to ethical concerns raised by remuneration, potential to damage the public will to act altruistically, the potential for coercion and exploitation of donors, increased risk to patients, harm to local transplantation programs and international stem cell exchange, and the possibility of benefiting some patients while disadvantaging others."

Previous posts:
Compensating donors: how about bone marrow? (in connection with which see Flynn v. Holder Challenge to the National Organ Transplant Act

Compensation for bone marrow donors: opposing views

HT: Rod Garratt (whose related papers are
One Chance in a Million: Altruism and the Bone Marrow Registry” with Ted Bergstrom and Damien Sheehan-Connor, American Economic Review

and
Stem Cell Matching for Patients of Mixed Race” with Ted Bergstrom and Damien Sheehan-Connor


(About this latter paper he writes "Ted Bergstrom and I will be presenting this work at a session on The Economics of Blood, Stem Cell and Organ Donation at this year's winter meeting of the American Economic Association in Denver.  If you are interested in attending, the session will take place Jan 08, 2011 10:15 am at the Sheraton, Director's Row H.

Wednesday, November 17, 2010

Illegal markets for organ transplants: Kosovo trials

Illegal, black markets for kidneys are often cited both by opponents and proponents of legal markets: opponents look at the abuses in illegal markets and fear that legal markets would spread them, and proponents look at illegal markets and hope that legal markets would curb them.

Seven Charged in Kosovo Organ-Trafficking Ring
"At least seven people have been charged with participating in an international organ-trafficking network based in Kosovo that sold kidneys and other organs from impoverished victims for up to $200,000 to patients from as far away as Israel and Canada, police and senior European Union officials said Monday.

"According to the indictment, the traffickers lured people from slums in Istanbul, Moscow, Moldova and Kazakhstan with promises of up to $20,000 for their organs. Law enforcement officials say many never received a cent. The operations were performed at a private clinic in a run-down neighborhood on the outskirts of Pristina, the Kosovar capital.

"While the ring was first discovered two years ago, the global scale of the network and its victims is only now becoming clear.

"Officials said the ringleader was a highly regarded surgeon and professor at Pristina University Hospital, Dr. Lutfi Dervishi. The clinic was run by his son, Arban. Also charged was Ilir Rrecaj, a senior official in Kosovo’s Health Ministry when the ring was broken. They and two others are accused of crimes including trafficking in humans and body parts, unlawful medical activity, participating in organized crime, and abuse of office. All were released on bail.
...
"The trafficking network’s tentacles reached far. Warrants were issued for a Turkish doctor and an Israeli financier, and two other doctors, an Israeli and a Turk, were named as co-conspirators.

"The police said the ring had its roots at a medical conference in 2006 in Istanbul, where Dr. Dervishi met the Turkish doctor being sought, Yusuf Sonmez. Law enforcement officials describe Dr. Sonmez as a notorious international organ trafficker.

"The Medicus clinic had been founded by a European philanthropist who aided ethnic Albanian doctors during the war in Kosovo in 1999. Dr. Dervishi, police officials said, secretly transformed it into a hub for illegal organ transplants, which were performed by Dr. Sonmez.

"The indictment was first reported by The Associated Press. In it, a European Union prosecutor, Jonathan Ratel, said that in 2008, 20 foreign nationals living in “extreme poverty or acute financial distress” were “recruited with the false promises of payments.”

"The police said they broke the ring in November of that year, when a young Turkish man, Yilman Altun, was found at the Pristina airport, weak and frail. Mr. Altun told the police that his kidney had been stolen. When the police raided the Medicus clinic, they discovered an elderly Israeli man who had received Mr. Altun’s kidney.

"European Union officials said that the indictment in the case had been filed in district court in Kosovo and that a preliminary hearing was expected by the end of the year. If a judge confirms the charges, a trial will follow.
...
"Western law enforcement officials said they suspected the ring might be part of a larger criminal network whose nexus was in Israel. In September, five doctors from South Africa were charged with participating in an international kidney-trading syndicate in which dozens of poor Brazilians and Romanians were paid for kidneys for wealthy Israelis. Analysts said the organ-trafficking case was part of a disturbing global trend in which unscrupulous traffickers take advantage of the growing waiting lists of desperate patients and the vulnerability of poor people further buffeted by the international financial crisis."

Update: Dec 15. The Telegraph follows the beginning of the trial: Kosovo physicians accused of organ trafficking racket -- A gang of Kosovan organ traffickers operated an elaborate international network that traded in the organs of people living in extreme poverty, a court heard.

Tuesday, November 16, 2010

The Job Market for New Economists: timely JEP article

The JEP has just published our report on various "new" features of the job market for new Ph.D. economists, including the signaling mechanism and the scramble.

The Job Market for New Economists: A Market Design Perspective, by Peter Coles, John Cawley, Phillip B. Levine, Muriel Niederle, Alvin E. Roth, and John J. Siegfried (Journal of Economic Perspectives—Volume 24, Number 4—Fall 2010—Pages 187–206)

Monday, November 15, 2010

Matching in practice: conference today in Berlin

Here's the preliminary program:

Preliminary Program of the 1st Workshop on “Matching in Practice”
November 15, 2010
Location: Social Science Research Center (WZB)

Organizers:
Estelle Cantillon
ECARES, Université Libre de Bruxelles
Dorothea Kübler
Social Science Research Center (WZB)

Friday, November 15, 2010

10.00 – 10.55 Peter Biró (Hungarian Academy of Sciences)
“The Hungarian Higher Education Matching Scheme”

10.55 – 11.50 Alex Westkamp (University of Bonn)
“An Analysis of the German University Admissions System”

12.05 – 13.00 Patrick Legros (ECARES Brussels)
“Rock and Roll Bands: (In)complete Contracts and Creativity”

13.45 – 14.30 Informal discussion about how the network could be useful

14.45 – 15.40 Estelle Cantillon (ECARES, Université Libre de Bruxelles)
“The Multi-unit Assignment Problem: Theory and Evidence from
Course Allocation at Harvard”

15.40 – 16.35 Antonio Nicolò (University of Padova)
“Pairwise Kidney Exchange: Age-Based Preferences”

16.35 – 17.30 Alexey Kushnir (University of Zurich)
“Preference Signaling in Matching Markets”

Sunday, November 14, 2010

The market for mothers' milk

The main consumers of human breast milk are infants, but here's a story that caught my eye:
A Manhattan chef recently began serving cheese made from his nursing wife’s milk. Legendary critic Gael Greene samples the now-banned fromage.

"It’s the unexpected texture that’s so off-putting. Strangely soft, bouncy, like panna cotta."

Aside from some articles that Steve Leider pointed out to me, which are now several years old, I don't find much online about the market for mothers' milk. But in 2007, it apparently looked like the market for wet nurses might be making a comeback.

Outsourcing Breast Milk:
"...wet-nursing (hiring a woman to breast-feed your baby), which most of the Western world abandoned in the 19th century, is making a minor comeback among young moms. So is cross-nursing, in which mothers breast-feed one another's babies. Both reflect several cultural trends: more U.S. babies--upwards of 70%--are breast-fed than at any time in at least 50 years, more women work outside the home, and more young women undergo breast surgery. Advocates argue that milk sharing lets women be good moms while fulfilling other goals. Says Natalia Chang, 29, who has cross-nursed with her San Jose, Calif., neighbor: Breast milk is "a communal commodity around here."

"Not everyone is comfortable with this freewheeling baby feeding. Milk banks, which sell bottled breast milk, already make some people squirm; the idea of physically breast-feeding a child not your own evokes even deeper taboos. Rhonda Shaw, a sociologist who studies shared nursing in New Zealand, where the trend is also up, says many confuse "adult meanings of eroticism with breast feeding ... Sometimes people associate a woman breast-feeding another woman's baby with pedophilia." Even the pro-nursing group La Leche League has concerns about milk sharing because, in addition to helpful immunities and antibodies, viruses can be passed through breast milk."
...
"Even if you accept that cross-nursing is for the collective good, wet nurses magnify the discomfort that many people already feel about the wealthy employing less advantaged women to do domestic duties. That's why the few women who hire wet nurses--mostly because they have adopted, have had breast implants or reductions or have high-powered careers--keep it a secret, for fear of being judged bad mothers. Still, Robert Feinstock, who owns CertifiedHouseholdStaffing.com a Los Angeles--based agency that supplies wet nurses nationwide, says demand has steadily risen in the past four years, even though the standard fee of $1,000 a week is more than the average nanny gets.
"Brenda (whose last name is withheld to protect her clients' privacy), 42, has wet-nursed 10 babies in the past seven years partly to help send her own two kids to college. She has mulled over the social implications of her work--because she's black and eight of the families she has worked for are white. "A friend asked me, Don't you feel like you're the mammy?" she recalls. But she finds her job fulfilling, and sometimes amusing. "If you're someplace with the family and the baby starts to pull at your blouse or put his hand in your bra, that can be embarrassing," she says, laughing."

Saturday, November 13, 2010

Economics "Grand Challenge" white papers

The American Economic Association has published what appears to be the full set of 'white papers' in Economics submitted to the NSF in reply to their earlier request:

"Grand Challenge" White Papers for Future Research in the Social, Behavioral & Economic Sciences

There are 48 short papers, from Acemoglu to Weir, two with market design in the title:

Cramton, Peter Market Design: Harnessing Market Methods to Improve Resource Allocation

Roth, Al Market Design: Understanding markets well enough to fix them when they’re broken

Friday, November 12, 2010

Economic Science Association conference in Tucson

I'm in Tuscon Arizona, at the 2010 Regional ESA Conference, November 11-13, 2010.

I'll give a paper today written with Judd Kessler, who is on the market (you could hire him:)

The market for rabbis

A Duke law professor who is also on his shul's hiring committee thinks that the Conservative rabbinate's efforts to shape the career paths of rabbis violates the antitrust laws. (I'm no lawyer, but religious institutions probably have some constitutional protection...)  My impression is that quite a few religious denominations similarly try to shape the labor market for clergy.

Rabbi Searches Are Tough, but Are They Illegal?

 "As a member of my synagogue’s rabbi search committee, I was deeply troubled to learn of the rules imposed by the Rabbinical Assembly, the Conservative movement’s governing rabbinical body, on rabbinic searches. The RA requires synagogues to enroll exclusively in its search process, filters the selection of candidates the congregations may interview, and prohibits candidates and congregations from finding each other directly. Any Conservative rabbi who seeks a pulpit outside the RA’s centralized process, and any congregation that interviews candidates from other movements, will be penalized.
...
"RA placement rules, for example, prohibit young rabbis from assuming pulpits at anything but the smallest congregations. The placement rules also prohibit congregations from extending long-term contracts to rabbis hired as “transitional” rabbis, even when those congregations and rabbis would prefer to stay together. By restricting Conservative congregations from interviewing rabbis from other movements, the rules also are designed to ward off competitive threats from independent seminaries such as Boston’s Hebrew College and denominational seminaries such as the Reconstructionist Rabbinical College. These are rules aimed to achieve full employment for RA members rather than to advance Conservative Judaism.

"Although our search did not immerse us in the rules of other American denominations, it appears that the other movements employ similarly restrictive — and similarly illegal — placement systems. The Reform movement’s Central Conference of American Rabbis, which mostly draws from Hebrew Union College campuses, adheres to an assignment system whereby years of pulpit experience strictly correlate with size of synagogue and salary."

Thursday, November 11, 2010

More on (more) early admissions

The Chronicle of Higher Ed reports on The Troubling Rise in Early Admissions

Last week, a survey of the National Association for College Admission Counseling found that colleges and universities are increasing the number of students admitted through early admissions programs.  This development is highly disturbing, especially in light of a new study, published in Teachers College Record, highlighting the inequity of the practice, which is employed at many institutions.
According to the NACAC report, State of College Admission 2010, 65 percent of colleges and universities reported increases in the number of students admitted through “early decision,” a practice in which applicants apply early to one institution, and, if admitted, must commit to enrolling.  The report also found that 73 percent of institutions reported increases in the number of students admitted through “early action” policies, under which students are admitted early but do not commit to attending.
Researchers, including Christopher Avery, Andrew Fairbanks, and Richard Zeckhauser, have long found that these practices tends to benefit white, wealthy and educated applicants, who receive an admissions boost equivalent to 100 SAT points.  Critics have pointed out that early decision programs are particularly unfair to low-income applicants because the binding commitment to attend a particular college eliminates the ability to bargain between colleges for the most advantageous financial aid packages.  The unfairness of these programs prompted Harvard, Princeton, and the University of Virginia to abandon the practice.  But most other colleges and universities did not follow suit, and now polling suggests many institutions are actually increasing their reliance on early admissions.
Some institutions, such as Yale and Stanford, employ early action, rather than early decision, thus permitting low-income students to compare financial aid packages.  But a new study by Julie J. Park of Miami University and M Kevin Eagan of the UCLA Higher Education Research Institute, finds that both early action and early decision programs raise troubling questions about equity given the makeup of the student population who have the cultural capital to know the advantages of applying early.
The study found not only that white and wealthier students were more likely to apply early; in addition, other factors mattered a great deal.  Receiving private college counseling was the strongest predictor of enrolling through early admissions.  In addition, attending a high school where each college-counselor has a manageable number of students increased the chances of students taking advantage of early admissions.
Importantly, while most previous research on early admissions has focused on a small number of elite institutions, Park and Eagan’s study, “Who Goes Early? A Multi-Level Analysis of Enrolling via Early Action and Early Decision Admissions,” employ a much larger national data set involving 88,086 students who came from 4,491 high schools and applied to 290 colleges and universities.
The authors point out that the policy of early admissions – like the policy of legacy preferences – defies the commitment of colleges to make “need blind” admissions.  They write: “early decision in particular works as a sort of class-based affirmative action that gives wealthier applicants a ‘plus’ factor: a higher likelihood of being admitted than if they applied under the regular decision deadline.”

Wednesday, November 10, 2010

Turnover at the NYC Dept of Education

One lesson we've learned from working on school choice in NYC and Boston is that the educational bureaucracies have enough turnover that it is hard to keep in close contact. In each place, the people with whom we worked most closely have moved on to other jobs. Now in NYC the last of the higher level leaders who were involved in revamping the high school choice process are leaving as well:
Elizabeth Sciabarra is leaving as head of student enrollment, and Joel Klein is leaving as chancellor (Publishing exec named new NYC schools chancellor)

Update: New York Schools Chancellor Ends 8-Year Run has more on Klein's tenure.

School choice in San Francisco: a promise of transparency

San Francisco school board member Rachel Norton blogs about the most recent school board meeting this week, concerning the new SF school choice algorithm, which they are now implementing in house (see this earlier post, and a followup interview).

The latest news sounds good regarding plans for transparency. Norton writes:

"Staff did pledge to make the documentation of the algorithm requirements and process flows public by February; I will continue to push to make the assignment algorithm itself open source."

Tuesday, November 9, 2010

Markets for buying and selling privacy

Noam Nisan at AGT/E reports on New Papers on Auctions by computer scientists, including this one that I find interesting for several reasons: it is about market design for markets in which privacy is sold.


Selling Privacy at Auction by Arpita Ghosh and Aaron Roth
We initiate the study of markets for private data, through the lens of differential privacy. Although the purchase and sale of private data has already begun on a large scale, a theory of privacy as a commodity is missing. In this paper, we propose to build such a theory. Specifically, we consider a setting in which a data analyst wishes to buy information from a population from which he can estimate some statistic. The analyst wishes to obtain an accurate estimate cheaply. On the other hand, the owners of the private data experience some cost for their loss of privacy, and must be compensated for this loss. Agents are selfish, and wish to maximize their profit, so our goal is to design truthful mechanisms. Our main result is that such auctions can naturally be viewed and optimally solved as variants of multi-unit procurement auctions. Based on this result, we derive auctions for two natural settings which are optimal up to small constant factors:
1. In the setting in which the data analyst has a fixed accuracy goal, we show that an application of the classic Vickrey auction achieves the analyst’s accuracy goal while minimizing his total payment.
2. In the setting in which the data analyst has a fixed budget, we give a mechanism which maximizes the accuracy of the resulting estimate while guaranteeing that the resulting sum payments do not exceed the analysts budget.
In both cases, our comparison class is the set of envy-free mechanisms, which correspond to the natural class of fixed-price mechanisms in our setting.
In both of these results, we ignore the privacy cost due to possible correlations between an individuals private data and his valuation for privacy itself. We then show that generically, no individually rational mechanism can compensate individuals for the privacy loss incurred due to their reported valuations for privacy.

Monday, November 8, 2010

How to Fix a Broken Marketplace

That's the title of an interview/story by Carmen Nobel that HBS Working Knowledge put online today: How to Fix a Broken Marketplace


The lead sentence is "An economic handyman of sorts, Alvin E. Roth fixes broken markets."

Incentives and erroneous research

The Atlantic runs a profile of Dr. John Ioannidis, who studies bad science. He focuses on medicine, where the incentives are perhaps highest (and in which the costs of bad science might be greatest). But the issues he discusses concern all scientists: Lies, Damned Lies, and Medical Science

"He chose to publish one paper, fittingly, in the online journal PLoS Medicine, which is committed to running any methodologically sound article without regard to how “interesting” the results may be. In the paper, Ioannidis laid out a detailed mathematical proof that, assuming modest levels of researcher bias, typically imperfect research techniques, and the well-known tendency to focus on exciting rather than highly plausible theories, researchers will come up with wrong findings most of the time. Simply put, if you’re attracted to ideas that have a good chance of being wrong, and if you’re motivated to prove them right, and if you have a little wiggle room in how you assemble the evidence, you’ll probably succeed in proving wrong theories right. His model predicted, in different fields of medical research, rates of wrongness roughly corresponding to the observed rates at which findings were later convincingly refuted: 80 percent of non-randomized studies (by far the most common type) turn out to be wrong, as do 25 percent of supposedly gold-standard randomized trials, and as much as 10 percent of the platinum-standard large randomized trials. The article spelled out his belief that researchers were frequently manipulating data analyses, chasing career-advancing findings rather than good science, and even using the peer-review process—in which journals ask researchers to help decide which studies to publish—to suppress opposing views. “You can question some of the details of John’s calculations, but it’s hard to argue that the essential ideas aren’t absolutely correct,” says Doug Altman, an Oxford University researcher who directs the Centre for Statistics in Medicine.

"Still, Ioannidis anticipated that the community might shrug off his findings: sure, a lot of dubious research makes it into journals, but we researchers and physicians know to ignore it and focus on the good stuff, so what’s the big deal? The other paper headed off that claim. He zoomed in on 49 of the most highly regarded research findings in medicine over the previous 13 years, as judged by the science community’s two standard measures: the papers had appeared in the journals most widely cited in research articles, and the 49 articles themselves were the most widely cited articles in these journals. These were articles that helped lead to the widespread popularity of treatments such as the use of hormone-replacement therapy for menopausal women, vitamin E to reduce the risk of heart disease, coronary stents to ward off heart attacks, and daily low-dose aspirin to control blood pressure and prevent heart attacks and strokes. Ioannidis was putting his contentions to the test not against run-of-the-mill research, or even merely well-accepted research, but against the absolute tip of the research pyramid. Of the 49 articles, 45 claimed to have uncovered effective interventions. Thirty-four of these claims had been retested, and 14 of these, or 41 percent, had been convincingly shown to be wrong or significantly exaggerated. If between a third and a half of the most acclaimed research in medicine was proving untrustworthy, the scope and impact of the problem were undeniable. That article was published in the Journal of the American Medical Association. "

The article ends on a philosophical note:

"We could solve much of the wrongness problem, Ioannidis says, if the world simply stopped expecting scientists to be right. That’s because being wrong in science is fine, and even necessary—as long as scientists recognize that they blew it, report their mistake openly instead of disguising it as a success, and then move on to the next thing, until they come up with the very occasional genuine breakthrough. But as long as careers remain contingent on producing a stream of research that’s dressed up to seem more right than it is, scientists will keep delivering exactly that.

“Science is a noble endeavor, but it’s also a low-yield endeavor,” he says. “I’m not sure that more than a very small percentage of medical research is ever likely to lead to major improvements in clinical outcomes and quality of life. We should be very comfortable with that fact.”

Sunday, November 7, 2010

"Proofiness" as mathematical truthiness

The NY Times Magazine "On Language" column covers Truthiness, Stephen Colbert's neologism describing things that sound true but aren't.

"The latest in the “X-iness” parade is the title of Charles Seife’s new book, “Proofiness,” defined by Seife as “the art of using bogus mathematical arguments to prove something that you know in your heart is true — even when it’s not.” Seife, an associate professor of journalism at New York University, told me that the title is very much a homage to Colbert. He credits his wife with recognizing during the writing of the book that his topic was “the mathematical analogue of truthiness.” "

Saturday, November 6, 2010

The market for Ph.D. economists

Here's a description of the market for Ph.D. economists, as viewed by the founders of the site walras.com, on VoxEU: A brief guide to hiring PhD economists by Raphael Auer Goran Mišković Jason Wildhagen

Friday, November 5, 2010

Dan Ariely constructs a Forbes list of new economists

Dan gives new meaning to the word "new" as applied to economists...at least in my case. (Although I'm reminded of Frank Hahn's wish to live to a very old age but be remembered as having passed away young and full of promise...)

Here is Dan's list in Forbes (Dan Ariely picks the seven most powerful new economists) , and (easier to scan) on his web page: New Economists worth knowing.

Thursday, November 4, 2010

Continued unraveling of college admissions, accompanied by growing use of waiting lists

The National Association for College Admission Counseling (NACAC) has released their  (gated) 2010 State of College Admission report .

From the press release:
"Early Decision and Early Action Activity Increases: 65 percent of colleges with ED policies reported increases in the number of students accepted through Early Decision, compared to 43 percent in 2008 and 36 percent in 2007. Nearly three-quarters of colleges reported an increase in Early Action applications and Early Action admits.

"At Colleges with Early Decision (ED) Policies, Gap In Acceptance Rates Between ED and Regular Decision Applicants Increases: For the Fall 2009 admission cycle, colleges with Early Decision policies reported a 15-percentage point gap in acceptance rates between ED applicants and the overall applicant pool (70 percent versus 55 percent), up from an 8 percentage point gap in Fall 2006 (61 percent compared to 53 percent)."

Furthermore (the Chronicle of Higher Ed reports),
"The survey also found an uptick in the proportion of colleges with waiting lists: 39 percent used them in the 2009 cycle. That’s a greater share than in recent years, with the exception of 2007, when waiting-list use reached a high of 41 percent. Forty-seven percent of colleges reported placing more students on a waiting list than they did the year before, and 51 percent said they had accepted more students off of the list.


"This year, for the first time, colleges were asked whether they stratified their waiting lists by various criteria. Fifty-six percent said they had stratified the list based on academic credentials; 45 percent by students’ interest in the college; 33 percent based on students’ commitment to attend if admitted; and 27 percent on ability to pay. On average, colleges accepted 34 percent of students who chose to remain on waiting lists."

Wednesday, November 3, 2010

Visiting student: another option for undergraduates

American students at four year colleges mostly apply to colleges and get admitted as freshmen. A much smaller number of students transfer from one college to another, and graduate from the college that they entered as sophomores or juniors. And of course many students spend a junior year abroad, often visiting a college overseas. But a small number of students spend some time at another American college as visitors. The Crimson describes this at Harvard: Visiting Harvard.

"...Rush and her fellow VUS (pronounced “vuzz” by those in the know) come to Harvard from universities around the world to study for a semester or a year. Though the VUS become involved in most aspects of Harvard life, the existence of this program remains unknown to many at the University and nearly unadvertised outside of Harvard.


"The Visiting Undergraduate Student Program allows undergraduates from any university in the world to apply to attend Harvard for one or two semesters.


"Many of those who participate in this program are international students. Others come from small liberal arts schools in the U.S., and a few come from Harvard’s peer institutions—last year, one visiting student hailed from Princeton and another from Brown.

"The students list a variety of reasons for coming to Harvard, but most center on academics. According to Sarah R. Cole, a lecturer on History and Literature who serves as the advising coordinator for the VUS Program, most of the international students major in economics in their home countries and hope to gain an American perspective on the field. The domestic students, she said, tend to be math or science concentrators who feel they have exhausted the course offerings in their subjects at their colleges.
...
"The application process for visiting students is similar to the regular admissions process, but it differs in several significant ways. First, VUS can enter Harvard in either the fall or spring semesters, so applications are evaluated twice each year.

...
"The number of VUS applications and the admissions rate for the program contrast starkly with the Harvard admissions norm. Whereas 614 students applied for transfer admission and over 30,000 sought regular admission in fall 2010, just 47 applied for the VUS Program. Of those applicants, 32 were admitted, and 30 decided to attend—21 are here for just the fall semester, and 9 will stay for the full year.


"Dean of Admissions and Financial Aid William R. Fitzsimmons ’67 said that the program receives a low number of applicants because the admissions office does not promote it heavily. Though there is a page on the admissions website about the program and the admissions office prints an informational card about it, Fitzsimmons said that his office does not “recruit” VUS applicants as it does for degree candidates.
...
"Another concern for some VUS is the cost of the program. Visiting students are not offered financial aid and thus must pay the full rate of $17,488 per semester to take four courses, in addition to the cost of off-campus housing."

Tuesday, November 2, 2010

Marketing colleges: Two paths to more applications, the common app, and fast-track

An article in the Chronicle of Higher Ed sheds some light on two different ways that colleges try to market themselves to a larger pool of applicants. One is the Common Application (which allows applicants to fill out one application online and then send it to many places, sometimes with supplements required by colleges that don't want too many casual applications). Another is "fast track" applications, which are mailed to high school students with invitations to fill in a shorter application, maybe without any essays at all.
The Curious Case of ‘Catnip’ and the Common Application

"Many high-school counselors offer colorful descriptions of “fast-track” applications, an increasingly popular recruitment tool among colleges. Such applications come with students’ names and other information already filled in. Typically, these solicitations also provide other incentives, like waived essay requirements, and promise quick admissions decisions...

"But there’s growing concern in high schools about how such applications are coexisting with another fixture of the admissions realm—the Common Application, the free admissions form accepted by 414 colleges.

"At the National Association for College Admission Counseling’s annual conference last month, several counselors discussed what they described as an increasingly common scenario: students using a fast-track application to apply to a college that’s a member of the Common Application. In such cases, high schools cannot electronically submit students’ supporting documents—transcripts, secondary-school reports, and letters of recommendation—to colleges.

"Why not? Because a member college isn’t able to download those documents until (or unless) a student submits his or her application through the Common Application’s Web site. In other words, a student can bypass the Common Application’s system by submitting a fast-track app, but that student’s counselor cannot do the same.
...
"Mr. Graf and other counselors have criticized Royall & Company, a direct-marketing firm that has pioneered the use of fast-track applications. Some of Royall’s clients package them as “V.I.P.” applications. The irony: Some colleges send such apps to thousands—even tens of thousands—of prospective students each year...

"The company’s leaders, who did not immediately return a telephone message on Wednesday, have previously described fast-track applications as a time-saving means of simplifying the application process, helping colleges reach more prospective students. They’re also good for business: Most colleges that use them report significant increases in applications.

"In recent years, Robert Killion, the Common Application’s executive director, has heard numerous complaints about the challenges raised by fast-track applicants applying to Common App colleges. Some counselors have asked why the nonprofit association does not transmit supporting documents for students who choose that option.

"Money is one answer, Mr. Killion concedes. For each application filed through the Common Application, the association gets a $4 fee from member colleges who use the Common App exclusively (institutions that also accept other applications pay $4.75 per applicant). “We’ve built a system for students who want to follow the Common App model,” says Mr. Killion. “If a student wants to pursue an alternative path, that’s their prerogative, but I’m not sure why we, for free, should have to subsidize someone else’s system.”
...
"Willamette is a member of the Common Application, and it offers a fast-track application. “Colleges that use both are put in a squeeze,” says Ms. Rhyneer, a former chairwoman of the Common Application’s steering committee.

"Although Ms. Rhyneer seconds the concerns expressed by Mr. Graf and other counselors, she disagrees with negative characterizations of fast-track apps. Willamette sends such an app to about half of its inquiry pool and uses it to encourage particularly promising applicants to apply. “Counselors tend to paint everybody using it with the same brush, but we’re not trying to get a zillion apps,” she says."

Monday, November 1, 2010

Class notes for sale?

NoteUtopia seeks to become a marketplace for class notes taken by students; it offers to buy your class notes, or sell you someone else's. Not everyone thinks this is a great idea: they have been told to cease and desist.

"NoteUtopia, a startup company for college students founded by a young Sacramento State graduate, has been ordered to "cease and desist" by the CSU chancellor's office, which said the company is violating state education codes that prohibit students from selling their class notes.
...
"The 10-year-old law that prompted the ban is so obscure that it caught NoteUtopia's founder, campus officials and Internet law experts by surprise.

"Eric Goldman,director of the High-Tech Law Institute at Santa Clara University Law School and a professor of Internet law, said "many people had no idea it's on the books."

"But while the law may be a sleeper, the issue of what students can do with material taken from class lectures "comes up with some regularity," Goldman noted. It's at the heart of an academic and legal debate on intellectual property rights involving how classroom content is shared among students."

The editorial page editors at the Harvard Crimson approve of the ban on selling notes:

Not For Sale Universities alone should decide when to distribute lecture material By THE CRIMSON STAFF

"Recently, California State University prohibited students from buying and selling lecture notes online in light of NoteUtopia, a new website created for this purpose. Their decision is the correct one. The practice of trading class notes does not reflect the purpose of education and should be discouraged. Although proponents of this activity claim that the ban violates free speech, they should acknowledge it is entirely within an institution’s remit to control the distribution of lecture material as it sees fit."

Sunday, October 31, 2010

Richard T. Gill, economist and opera singer

Richard T. Gill, Economist and Opera Singer, Dies at 82

"Mr. Gill, a longtime Harvard faculty member who wrote many widely used economics textbooks, did not undertake serious vocal training (which he began as an anti-smoking regimen) until he was nearly 40.
...
"But after just a few years of study a world-class voice emerged, and Mr. Gill soon forsook chalk and tweed for flowing robes and very large headgear.
...
"This was new and dazzling terrain for the author of “Economics and the Private Interest: An Introduction to Microeconomics.”
...
"Mr. Gill quit his tenured job at Harvard. He became a fixture at City Opera, singing in a wide array of productions over the next few years.
...
"In some respects, he later said, Mr. Gill found the roiling world of opera more appealingly straightforward than the roiling world of academe.
“Performing is a great reality test,” he told Newsweek in 1975. “There’s no tenure in it and the feedback is much less complicated than you get in academia."

Oil and gas auctions in Iraq

Apparently it's hard to get energy companies to bid on some of Iraq's energy reserves, but that varies province by province. Iraq recently completed auctions to develop natural gas reserves:

Iraq awards all gas fields in energy auction that draws little interest and 5 bidders
"BAGHDAD _ A South Korean-led consortium walked away with the biggest prize Wednesday in Iraq´s third energy auction since Saddam Hussein´s ouster, while a Kuwaiti company nabbed a gas field along its border with its larger neighbour in a win as politically symbolic as it was a business coup.
...
"Only five companies submitted bids for the fields, a showing that will likely disappoint Iraqi oil officials."

Last year Iraq auctioned oil rights:
Russia's Lukoil Big Winner At 2nd Iraq Oil Auction

"None of the U.S.oil majors, such as Exxon Mobil or Chevron submitted bids, leaving only Occidental among U.S. companies to make one failed offer on the auction's first day."

HT: Jing Li

Saturday, October 30, 2010

Regulation of repugnant transactions

One argument for not outlawing repugnant transactions is that if they are legal they can be regulated. When people follow that line of reasoning about prostitution, they are normally thinking about testing for sexually transmitted diseases, controlling trafficking and child abuse, etc. But all sorts of regulation are possible, it turns out, the Telegraph reports: Spanish prostitutes ordered to wear reflective vests for their own safety.

"Women touting for customers on a rural highway outside Els Alamus near Lleida in Catalonia have been told to don the yellow fluorescent bibs or pay fines of 40 euros (£36) under road traffic laws."

Friday, October 29, 2010

Sally Satel on compensating donors

In my market design class today, I'll start off by talking about kidney exchange (sometimes called kidney paired donation, KPD). After the coffee break we'll switch gears and a guest, Sally Satel, will broach the subject of a monetary market for kidneys. Here's a recent article of hers on the subject: Is It Ever Right to Buy or Sell Human Organs?

(Last year, after I talked about kidney exchange, we discussed repugnance as a constraint on markets.)

Update:

Thursday, October 28, 2010

Physician, heal thyself: kidney docs as kidney donors

Tufts Medical Center's physician newsletter has a feature on Kidney Transplantation (starting on p4) that highlights the story of Dr. Andrew Levy, the chief of Nephrology there, who also donated a kidney to his wife as part of a kidney exchange organized by the New England Program for Kidney Exchange (NEPKE).

"Last year, Levey’s wife — oncologist Roberta Falke, MD — needed a kidney transplant due to worsening
polycystic kidney disease. Levey was a willing but incompatible donor. So he and Falke did what Levey had been advising some of his own patients to do — they signed on with the New England Program for Kidney Exchange in Newton. The exchange program helps to increase the pool of potential donors by orchestrating matches among altruistic strangers.

"In late October, Falke was notified of a match. But it didn’t stop there. Levey was a match for a man named Peter Scheibe. Scheibe’s wife Susan wasn’t a match for her husband, but she was a match for a man named Hai Nguyen. And Nguyen’s wife Vy wasn’t a match for him, but she was a match for Falke. And on December 15, in an exquisitely choreographed series of operations at Tufts Medical Center and the Lahey Clinic Medical Center, the three healthy donor kidneys were harvested and transplanted into the three recipients. Today, all six participants in this “circle of miracles” are doing fine."

The piece mentions in passing another remarkable story:
"In the 1980s, Levey and Susan Hou, MD, who completed her nephrology fellowship here, wrote about how kidney donation from living unrelated donors could help expand the donor pool. Today, approximately
20 percent of kidney transplants at Tufts MC are from such donors (with 30 percent from living related donors and the remaining 50 percent from deceased donors). Hou, incidentally, went on to become Medical Director of the Renal Transplant Program at Loyola University Medical Center in suburban Chicago and made headlines when she donated a kidney to one of her patients in 2003."

The article ends with a quote from Dr. Levy:
"“All of us doctors want to help our patients,” he continues. “But it’s rare to get the chance to do anything so direct and meaningful to restore someone’s health. To give a personal gift that you can give only once to another person, it’s a unique confluence of both professional and personal ideals.”

Here's my earlier post on that exchange, and a story about it in the Globe.
And here is a story about Dr. Hou's donation of a kidney to her patient (nothing ever seems simple in medicine): Doctor's unique donation prompts ethical concerns
Here's a link to another story: Chicago Doctor Donates Kidney to Patient
""I can't bring about world peace, I can't eliminate world hunger, but I can get one person off dialysis," said Hou, 56, medical director of the renal transplant program at Loyola University Medical Center in suburban Chicago."

Unraveling of pre-Christmas sales

Stores Push Black Friday Into October says the NY Times (today,Thursday, Oct 28):


"The first “Black Friday Now” deals at Sears will be available beginning Friday and Saturday. Amazon’s electronics department will offer sales on items like Blu-ray players and high-definition TVs on Friday, and Toys “R” Us is putting all the items in its 80-page Christmas toy book on sale on Sunday.


"Black Friday creep has been around for a while, but analysts say this year breaks new ground: the range of stores offering early discounts is wider, the discounts are steeper and the sale periods longer — in some instances, a full month before the real thing. Sears, for example, offered early promotions last year but expanded the hours and days this year, while Amazon is beginning earlier than ever.

“Consumers have been trained to buy merchandise only ‘on sale,’ ” Sherif Mityas, a partner in the retail practice at the consulting firm A. T. Kearney, said in an e-mail. “Given a limited budget, if retailers don’t capture that first or second purchase, they may find themselves with a lot of inventory the week before Christmas and the need for massive discounting to save the holiday.”

"Some shoppers asked for a longer sale period, both for convenience and out of nervousness over crowds, said Barbara Schrantz, executive vice president of marketing and sales promotion at Bon-Ton Stores. After a Wal-Mart employee was trampled and killed on Black Friday in 2008, stores increased their crowd-control measures, but they do not want safety concerns to keep shoppers away from stores.

"In some instances, deal hunters say, stores are just hijacking the Black Friday label. Mike Riddle, who started the site Black-Friday.net in 2006 to track deals, said shoppers should not believe that “special” prices for the Friday were necessarily lower than the usual price.

“Retailers are taking advantage of the term,” he said, citing the first Sears “Black Friday Now” circular as “nothing more than their weekly ad rebranded.” Tom Aiello, a spokesman for Sears Holdings, said the prices were not standard discounts; so far, customer response has been positive about this weekend’s deals, he said.

"Traditionally, stores used low prices on the Friday after Thanksgiving to attract shoppers, who, they hoped, would put full-price items in their carts alongside the bargains.

Wednesday, October 27, 2010

Kidney paired donation conference: financing kidney exchange

A conference in Philadelphia today will take a look at a so far unresolved aspect of kidney exchange: how to finance it. Since transplantation is far cheaper than dialysis, this shouldn't in principle be a big problem, but there are still lots of kinks to iron out in determining who pays for what. I spoke to a similarly constituted group in Minneapolis in 2007...
Kidney Paired Donation Conference, Philadelphia, Pennsylvania, WEDNESDAY, OCTOBER 27, 2010

8:00 a.m. Welcome and Opening Remarks, Chris Pricco, Chief Operating Officer, Complex Medical
Conditions, OptumHealth Care Solutions

8:05 a.m. Introduction and Conference Overview, Dennis Irwin, MD, National Medical Director, Transplant Solutions, Complex Medical Conditions, OptumHealth Care Solutions

8:15 a.m. Kidney Transplantation: Alternative Donors, Lloyd E. Ratner, MD, New York-Presb - Columbia
Campus

8:35 a.m. The Unmet Need for Kidney Transplantation as Viewed by the National Kidney Foundation,
Bryan Becker, MD, University of Illinois-Chicago

8:55 a.m. The OptumHealth/UnitedHealthcare Experience with End Stage Renal Disease, Kidney
Transplantation and the Unmet Need, F. Gregory Grillo MD, National Medical Director, Kidney
Resource Services, OptumHealth Care Solutions

9:15 a.m. The United Network for Organ Sharing (UNOS) Pilot, Kenneth Andreoni, The Ohio State
University Hospitals

Representation and Overview from UNOS Coordinating Centers

9:45 a.m. Ruthanne L Hanto RN MPH, New England Program for Kidney Exchange

10:00 a.m. Dorry Segev, MD, PhD, Johns Hopkins Hospital

10:15 a.m. Michael Rees, MD, PhD, Alliance for Paired Donation

10:30 a.m. Jeffrey L. Veale MD, Ronald Reagan UCLA Medical Center

Successful Single Center Experience with Paired Kidney Donation

10:45 a.m. John Friedewald, MD, Northwestern University Hospital

11:00 a.m. Adam Bingaman, MD, PhD, Texas Transplant Institute

11:30 a.m. National Kidney Registry, Garet Hil, National Kidney Registry (Invited)

11:45 a.m. Kidney Paired Donation from the Donor’s Perspective, John Milner, MD, Loyola University
Medical Center

12:00 p.m. The OPO perspective, Speaker TBD

12:15 p.m. Summary of the recent Living Kidney Donor Follow-Up: State of the Art and Future Directions
conference, Alan Leichtman, MD, University of Michigan

12:30 p.m. National Marrow Donor Program (NMDP): 23 Years of Experience in Establishing and
 Managing a Successful Program for Matching Willing Donors to Recipients, Jeffrey W. Chell,
MD, Chief Executive Officer, National Marrow Donor Program

1:30 p.m. Facilitated Discussion, Clifford Goodman, PhD, Vice President, The Lewin Group

4:00 p.m. Closing Remarks

Note: OptumHealth reserves the right to make any necessary changes to this program. Efforts will be made to keep presentations as scheduled. However, unforeseen circumstances may result in the substitution of faculty or content. Last Updated: 10/05/10

Tuesday, October 26, 2010

Flash sales--buying in a hurry

Time Is Money
...
"But commerce will always require the creation of scarcity, bottlenecks and stampedes. The most immediate way to do this is to make time seem tight — the going-going-gone approach to sales. For years, digital-world salespeople have been putting in overtime to resurrect the illusion that consumers must put up their money now or life will pass them by.


"Not long ago they figured it out: the online private-shopping club. It’s brilliant and insidious. No current retail trick so successfully conjures the bygone retail climate of hotness and nowness — with its proven capacity to create value — as luxuriously capitalized clothing vendors like Gilt Groupe, HauteLook and Rue La La. For shoppers who register, these services host “flash sales” — sudden sales of limited inventory that offer a seemingly exclusive group of consumers deep discounts on known labels in a few-frills atmosphere.
...

"Gilt Groupe, HauteLook and Rue La La are the holy trinity of flash-sale event dealers, at least when it comes to clothes. Know them by their five-star labels, their ticking clocks, their sheen of exclusivity and their limited searchability.


"EBay won’t be left out of the private-club revolution. The latest way to beat those preposterous M.S.R.P.’s — manufacturer’s suggested retail prices — is eBay Fashion Vault, a shopping club like Gilt Groupe but with some of the madcapness of eBay. "

Monday, October 25, 2010

Susan Athey on online experiments

My colleague Susan Athey (in whose class I'll be guest lecturing today) speaks to NPR:

"Susan Athey: Did you know that every time you do a search on Google or Bing, you are improving the quality of the search engine? The more people click on a search advertisement from a clothing company or on a link on an online news story, the more prominently it is displayed for the next consumer. And the firms constantly experiment to get things right. They watch what consumers do and adapt their products in response to the results of their experiments.


"But designing the right experiment is difficult. To see just one example, consider spam. An e-mail provider wants to eliminate spam from your inbox. It is nuisance for all of us. That company might test out a new way to filter spam. The filter may do a great job in short-term experiments, where the spammers don't have a chance to respond. But once the new filter is introduced in practice, spammers may find a way around the filter. So, that means that some legitimate e-mail is filtered out and the end result may be that you haven't solved the spam problem at all. You could very well end up worse than where you started, even though the experimental numbers looked great.

"So, if you want to figure out whether a new product will work out the way you hope, you need to be able to anticipate how people will react to your innovation. That is, you don't just have to be a good statistician. It's not just about the numbers that come out of simple experiments; it is about predicting how people will react to the changes you make. You need to understand behavior and how to build models that reflect the choices we all make.

"Unfortunately, our universities and business schools haven't figured out how to train students to do this kind of modeling and prediction. That is, we aren't preparing students to manage the new data-driven businesses. And let's face it: This is where our economy is headed, as consumers are spending more and more of their time online. Creating new jobs in this economy is a must, but making sure that the workforce is ready for the jobs where our growth is happening is more important. The good news is that the young people who do develop the talent and skills to capitalize on this opportunity will be in high demand, which puts them in a great position in today's tough economy."

Sunday, October 24, 2010

Single-hospital kidney exchanges in Texas and Illinois

A recent letter to the editor in the New England Journal of Medicine reports on the kidney exchange ("kidney paired donation") program at Methodist Specialty and Transplant Hospital in San Antonio, TX.

Bingaman AW, Wright FH, Murphey CL., "Kidney paired donation in live-donor kidney transplantation," N Engl J Med. 2010 Sep 9;363(11):1091-2.

"Our center established a KPD program enrolling all consenting recipient candidates who had incompatible donors as well as compatible pairs with donors over the age of 45 years. Since we initiated the program in March 2008, we have performed 83 KPD procedures, including 22 two-way and 13 three-way exchanges.
...
"If the productivity of our KPD program were to be replicated on a national level, it would potentially result in approximately 2000 additional
live-donor transplantations annually and reduce the number of patients on the waiting list. The increased use of this procedure would also probably avert many difficult desensitization therapies. No recent advance in transplantation has achieved such an apparent increase in access to live-donor transplantation, especially in sensitized patients.
"We believe that all transplantation centers should consider the development of an effective KPD program in order to give patients with incompatible donors a full range of options to achieve successful transplantation."

And here's a news report of another exchange at Northwestern Memorial Hospital.
All eight patients OK after four-way kidney transplant (Chicago Sun Times, Sept. 23, 2010)

"Arlene Hoffman was Jane Delimba's postal carrier for only about three months. But when Hoffman bumped into Delimba at a Wal-Mart seven years later and learned she needed a kidney transplant, Hoffman didn't hesitate to offer one of her own.

"The two weren't a compatible match.

"Still, Hoffman's generosity helped make it possible for four people, including Delimba, to receive kidney transplants last week in what's known as a "four-way paired exchange."

"In simultaneous operations that took place last Thursday at Northwestern Memorial Hospital, four living donors each gave up a kidney, and four people whose kidneys were failing each got one. All eight patients, ranging in age from 28 to 74, are doing well."

And from another story about that exchange: "Northwestern Memorial transplant surgeons performed their first paired exchange in 2006. To date, the hospital has completed 38 paired exchange transplants. "

Saturday, October 23, 2010

How does repugnance change over time?

Kwame Anthony Appiah's latest book proposes it has something to do with honor:  The Honor Code: How Moral Revolutions Happen.

Here's a book review from Slate:
The Unappreciated Power of Honor: How it has driven moral progress in the past, and still can.

Update: and here's a NY Times Sunday Magazine article: The Art of Social Change By KWAME ANTHONY APPIAH, focusing on the relative success of the movement to abolish foot binding in China, compared to the movement against female genital cutting in Africa.

"A second essential reason for the campaign’s success was that it created institutions; it didn’t content itself with rhetoric. In particular, it created organizations whose members publicly pledged two things: not to bind their daughters’ feet and not to allow their sons to marry women whose feet were bound. The genius of this strategy was that it created both unbound women and men who would marry them. To reform tradition, you had to change the shared commitments of a community. If Chinese families bound their daughters’ feet because that was the normal thing to do, you had to change what was normal. "

Friday, October 22, 2010

Centralized enrolment in New Orleans public schools

The impetus seems to be special education, according to a story in the Times-Picayune, but the New Orleans public schools are going to combine all their public schools into one enrollment system:

"The New Orleans public schools will move to a centralized enrollment system in an effort to better serve special education students, State Superintendent of Education Paul Pastorek announced today.
"Since Hurricane Katrina, nearly three-quarters of city schools have become independently-run charters. Parents can fill out a common application for all the schools in the Recovery School District, but enrollment decisions happen on the school level.


"District and state officials acknowledge that children with special needs sometimes fall through the cracks, with no central clearinghouse to ensure they are matched with a school that is equipped to educate them."

HT: Neil Dorosin

Thursday, October 21, 2010

NSF ScienceLives interviews me on market design

The NSF writes about market design by interviewing me...
Economist Finds Best Matches for Students and Schools
By Ellen Ferrante, National Science Foundation

Some of the questions are about market design, and you'll have to click on the link above if you want to read my answers to those.  But some of the questions were designed to personalize science, and here are those, and my answers...

"What is the best piece of advice you ever received?
"There’s no limit to what a person can accomplish if he isn’t worried about who gets the credit. "

"What was your first scientific experiment as a child?
"I went to public school in NYC, and as I recall we had science fairs each year starting in grade school. The first projects I recall weren’t experiments; they were demonstrations, little bits of engineering. I remember that I built a carbon arc furnace out of boards, a flower pot, curtain rods and pieces of carbon from the core of a flashlight battery.

"What is your favorite thing about being a researcher?
"You can schedule your own mind. There are plenty of jobs in which a person has an opportunity to solve interesting problems, but a researcher, particularly an academic researcher, gets to choose which problems to work on.

"Who has had the most influence on your thinking as a researcher?
"I think my older brother Ted first persuaded me that science was exciting, and I learned a lot from my Ph.D. advisor at Stanford, Bob Wilson. Over the long term, the group of people from whom I’ve learned the most are my students and post-docs and co-investigators; I’ve been very fortunate in who I’ve been able to work with. "

"If you could only rescue one thing from your burning office or lab, what would it be?
"As often as not there’s a student or postdoc in my office. I’d rescue him or her. "

And here's the picture they ran, over the caption "Al Roth and Marilda Sotomayor photographed with their 1990 book “Two-Sided Matching,” at the conference Roth and Sotomayor: Twenty Years After, held at Duke University in May, 2010. Credit: Marilda Sotomayor"

Wednesday, October 20, 2010

The history of the market for injectable insulin

First came the great, long awaited discovery. The NY Times has a great account by Dr. Abigail Zuger: Rediscovering the First Miracle Drug.

It's well worth reading the whole thing, but here's one snippet that caught my eye:

"“In some sense, the breakthrough is the easy part,” he said. “Then the real work begins.”

"For both insulin and the AIDS drugs the big challenge was “getting it from here to there,” Dr. Sepkowitz said. The expense and logistics of large-scale insulin manufacture were initially daunting. But soon trainloads of frozen cattle and pig pancreas from the giant Chicago slaughterhouses began to arrive at Lilly’s plant. By 1932 the drug’s price had fallen by 90 percent. "

Diabetes remains a killer disease, but now it's a chronic disease that haunts adults, instead of quickly killing children. 

"But the miracle went only so far: insulin was not a cure. In 1921, New York City’s death rate from diabetes was estimated to be the highest in the country, and today the health department lists diabetes among the city’s top five killers. Now though, it is adults who die, not children. What insulin did was turn a brief, deadly illness into a long, chronic struggle, and both the exhibit and the book, “Breakthrough,” by Thea Cooper and Arthur Ainsberg, on which it is based highlight the complicated questions that inevitably follow medical miracles: Who will get the drug first? Who will pay for it? Who will make enough for everyone?"

Diabetes is of course one of the big causes of kidney failure, and a real cure would go a long way to easing the long lines of people waiting for kidney transplants while undergoing dialysis. (Here's a good recent article on the various dialysis options from the WSJ.)

Tuesday, October 19, 2010

Rakesh Vohra on repugnant contracts for onions

Over at the Leisure of the Theory Class,  Rakesh  Vohra takes up the question of the day, which is Onions, and in particular, Public Law 85-839, which states

"No contract for the sale of onions for future delivery shall be made on or subject to the rules of any board of trade in the United States."

He invites us to consider why that might be a repugnant transaction. (And in the comments, a reader raises the related question of futures contracts on Hollywood movies, and speculation in general...)

Comment on the proposed NRMP scramble following the resident match

The NRMP website asked for comments on the NRMP's new plan for organizing the post-match scramble, and some of my young colleagues and I were moved to send one in:

Comment on the NRMP’s “Supplemental Offer and Acceptance Program” Proposed to Replace the Post-Match Scramble by Peter A. Coles, Clayton R. Featherstone, John William Hatfield, Fuhito Kojima, Scott Duke Kominers, Muriel Niederle, Parag A. Pathak, and Alvin E. Roth.

Executive Summary: "Historical precedent and economic principles suggest that the Supplemental Offer and Acceptance Program (SOAP) proposed for the NRMP Scramble will lead to unsatisfactory outcomes by forcing participants to make unnecessarily difficult decisions and giving them strong incentives to break the rules laid out in the SOAP proposal. We suggest, as an alternative Scramble mechanism, that the NRMP run a “Second Match” for the Scramble participants using rules similar to those of the Main Match."


Here's my previous post: Cleaning up the scramble for medical residents with SOAP