Congestion in the supply chain for new doctors

A new doctor needs not only a place in medical school, but also some clinical rotations in hospitals while still a medical student, and a residency position after graduation. New medical schools, and medical schools that wish to increase their class size, need to find these for their students, which is one of the constraints on increasing the size of US medical school output. The Chronicle of Higher Education describes the situation in Arizona: Shortage of Training Slots Threatens to Stall Influx of New Doctors. (An ungated version will be available for five days at http://chronicle.com/temp/email2.php?id=hVntG8hqVPcppSXRz6qmdkfdQtSZNB5V )