Consent and Exchange
---- Acknowledgements -----
We have benefited from the helpful comments of Barry Adler, Michal Barzuza, Omri Ben-Shahar, Bernie Black, Hanoch Dagan, Chaim Fershtman, Clay Gillette, Ofer Grosskopf, Assaf Hamdani, Sharon Hannes, Oliver Hart, Louis Kaplow, Lewis Kornhauser, Roy Krytner, Shai Lavi, Paul Mahoney, Zvika Neeman, Dotan Oliar, Eric Rasmusen, Alan Schwartz, Steve Shavell, Chris Snyder, Kathy Spier, Rip Verkerke, and workshop and conference participants at Harvard, NYU, Tel-Aviv University, the University of Virginia, and the NBER. We gratefully acknowledge the financial support of the John M. Olin Center for Law, Economics, and Business at Harvard Law School. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.