The Economics of Internet Markets
NBER Working Paper No. 16852
---- Acknowledgements -----
This paper was an invited talk at the Econometric Society World Congress in Shanghai. I thank my discussant Yeon-Koo Che, and also Liran Einav, Richard Levin and Andy Skrzypacz for helpful discussions. Marissa Beck provided excellent research assistance. In the last five years, I have received research funding or compensation from the Toulouse Network for Information Technology, Yahoo!, eBay Research, the National Science Foundation, and the Sloan Foundation. The views expressed herein are those of the author and do not necessarily reflect the views of the National Bureau of Economic Research.