Sunday, September 15, 2019

The common app: reduced friction and increased congestion by Knight and Schiff



Reducing Frictions in College Admissions: Evidence from the Common Application

Brian G. KnightNathan M. Schiff

NBER Working Paper No. 26151
Issued in August 2019
Abstract: "College admissions in the U.S. is decentralized, with students applying separately to each school. This creates frictions in the college admissions process and, if substantial, might ultimately limit student choice. In this paper, we study the introduction of the Common Application (CA) platform, under which students submit a single application to all member schools, potentially reducing frictions and increasing student choice. We first document that joining the CA increases the number of applications received by schools, consistent with reduced frictions. Joining the CA also reduces the yield on accepted students, consistent with increased student choice, and institutions respond to the reduced yield by admitting more students. In line with these findings, we document that the CA has accelerated geographic integration: upon joining, schools attract more foreign students and more out-of-state students, especially from other states with significant CA membership, consistent with network effects. Finally, we find some evidence that joining the CA increases freshmen SAT scores. If so, and given that CA members tend to be more selective institutions, the CA has contributed to stratification, the widening gap between more selective and less selective schools."


"The CA began with just 15 colleges in 1975 but grew rapidly thereafter, with increases in member-ship in every year since 1975 and a significant acceleration of membership starting around 2000(Figure 1). It currently includes over 700 institutions, which, taken together, receive approximately4 million applications from 1 million students annually."





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