Do People Keep Socially Unverifiable Promises?
Previous research has suggested that communication and especially promises increase cooperation in laboratory experiments. This has been taken as evidence for internal motivations such as guilt aversion or preference for promise keeping. The original goal of this paper was to examine promises under a double blind payoff procedure to test the alternative explanation that promise keeping was due to external influence and reputational concerns. We find no evidence that communication increases the overall level of cooperation in our double blind experiment. However, our results are due in part to the high level of cooperation that we observe, leading us to conduct additional single blind conditions. Ultimately, we find no evidence that communication or payoff procedures impact aggregate cooperation.
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- Christoph Vanberg, 2008. "Why Do People Keep Their Promises? An Experimental Test of Two Explanations -super-1," Econometrica, Econometric Society, vol. 76(6), pages 1467-1480, November.
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Jena Economic Research Papers
2008-088, Friedrich-Schiller-University Jena, Max-Planck-Institute of Economics.
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"Testing Guilt Aversion,"
Working Papers in Economics
14/07, University of Bergen, Department of Economics.
- Ellingsen, Tore & Johannesson, Magnus & Tjøtta, Sigve & Torsvik, Gaute, 2007. "Testing Guilt Aversion," SSE/EFI Working Paper Series in Economics and Finance 683, Stockholm School of Economics.
- Matthias Sutter, 2007.
"Deception through telling the truth?! Experimental evidence from individuals and teams,"
2007-26, Faculty of Economics and Statistics, University of Innsbruck.
- Matthias Sutter, 2009. "Deception Through Telling the Truth?! Experimental Evidence From Individuals and Teams," Economic Journal, Royal Economic Society, vol. 119(534), pages 47-60, 01.
- Daniel Zizzo, 2010. "Experimenter demand effects in economic experiments," Experimental Economics, Springer, vol. 13(1), pages 75-98, March.
- Barmettler, Franziska & Fehr, Ernst & Zehnder, Christian, 2012.
"Big experimenter is watching you! Anonymity and prosocial behavior in the laboratory,"
Games and Economic Behavior,
Elsevier, vol. 75(1), pages 17-34.
- Barmettler, Franziska & Fehr, Ernst & Zehnder, Christian, 2011. "Big Experimenter Is Watching You! Anonymity and Prosocial Behavior in the Laboratory," IZA Discussion Papers 5925, Institute for the Study of Labor (IZA).
- Franziska Barmettler & Ernst Fehr & Christian Zehnder, 2011. "Big experimenter is watching you! Anonymity and prosocial behavior in the laboratory," ECON - Working Papers 027, Department of Economics - University of Zurich.
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