Florian Ederer at Columbia Law School on April 27, 2015 By Law & Economics Prof Blog Staff on April 26, 2015 Email this postTweet this postLike this postShare this post on LinkedIn Florian Ederer, Assistant Professor of Economics, Yale School of Management, Cowles Foundation "Promises and Expectations" Abstract: We investigate why people keep their promises in the absence of external enforcement mechanisms and reputational effects….