NBER Working Paper No. 25857
---- Acknowledgments ----
Author contact information and code are currently or will be available at http://www.john-josephhorton.com. Thanks to Richard Zeckhauser, Foster Provost, Andrey Fradkin, David Holtz, Ramesh Johari, Nico Lacetra, Xiao Ma, and Aaron Sojourner for very helpful comments and suggestions. We have not received any funding for this work. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.