Market Structure, Reputation, and the Value of Quality Certification
---- Acknowledgments ----
We thank eBay, and in particular Brad Matthews, Jana Moles, Jana Honnerova, Irene Garcia Sacedon, and Vasanth Yenegalla. Additionally, we thank seminar participants at Arizona State University, the Federal Trade Commission, Georgia Tech, UCLA, the University of North Carolina - Charlotte, the University of Michigan, and the University of Minnesota for their helpful comments. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.