An important but under-explored issue in student assignment procedures is heterogeneity in the level of strategic sophistication among students. Our work provides the first direct measure of which students rank schools following their true preference order (sincere students) and which rank schools by manipulating their true preferences (sophisticated students). We present evidence that our proxy for sophistication captures systematic differences among students. Our results demonstrate that sophisticated students are 9.6 percentage points more likely to be assigned to one of their preferred schools. Further, we show that this large difference in assignment probability occurs because sophisticated students systematically avoid over-demanded schools. (JEL D82, H75, I21, I28)

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 Our paper investigates how prices are determined on peer-to-peer markets  We analyze whether experience and reputation in sharing economy platforms have the same impact as in traditional markets  We provide the first empirical analysis of the world's leading intercity carsharing platform, BlaBlaCar  We show that more-experienced drivers on BlaBlaCar set lower prices and sell more seats than less-experienced drivers.  We find evidence of discrimination against drivers of a minority group (Arabic drivers) that sell less seats on Blablacar.

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for their help and support. An earlier draft of this paper was prepared for the 2014 SIEPR Conference on Working Longer and Retirement; the authors thank seminar participants for helpful comments. The authors also thank Olivia Mitchell and John Pencavel for helpful suggestions. The opinions and conclusions expressed herein are solely those of the authors and do not represent the opinions or policies of the North Carolina Retirement System or any other institution with which the authors are affiliated. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research. NBER working papers are circulated for discussion and comment purposes. They have not been peer-reviewed or been subject to the review by the NBER Board of Directors that accompanies official NBER publications.