Comment on ‘Promises and Partnership’
Cary A. Deck
University of Arkansas - Department of Economics
University of Canterbury - New Zealand Experimental Economics Laboratory
Steven James Tucker
University of Waikato Management School - Economics
April 11, 2011
Charness and Dufwenberg (2006) find that promises increase cooperation and suggest that the behavior of subjects in their experiment is driven by guilt aversion. By modifying the procedures to include a double blind social distance protocol we test an alternative explanation that promise keeping was due to external influence and reputational concerns. Our data are statistically indistinguishable from those of Charness and Dufwenberg and therefore provide strong evidence that their observed effects regarding the impact of communication are due to internal factors and not due to an outside bystander.
Number of Pages in PDF File: 14
Keywords: Experiment, Promises, Partnership, Guilt Aversion, Psychological Game Theory, Trust, Lies, Social Distance, Behavioral Economics, Hidden Action
JEL Classification: C70, C91working papers series
Date posted: May 12, 2011
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