This paper reports an experiment designed to shed light on an empirical puzzle observed by Dufwenberg and Gneezy (2000) that the size of the foregone outside option by the first mover does not affect the behavior of the second mover in a lost wallet game. Our conjecture was that the original protocol may not have made the size of the forgone outside option salient to second movers. Therefore, we change two features of the Dufwenberg and Gneezy protocol: (i) instead of the strategy method we implement a direct response method (sequential play) for the decision of the second mover; and (ii) we use paper money certificates that are passed between the subjects rather than having subjects write down numbers representing their decisions. We observe that our procedure yields qualitatively the same result as the Dufwenberg and Gneezy experiment, i.e., the second movers do not respond to the change in the outside option of the first movers.
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Paper provided by University of Canterbury, Department of Economics in its series Working Papers in Economics with number
09/03.
Find related papers by JEL classification: C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
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James C. Cox & Daniel Friedman & Vjollca Sadiraj, .
"Revealed Altruism,"
Experimental Economics Center Working Paper Series
2006-09, Experimental Economics Center, Andrew Young School of Policy Studies, Georgia State University, revised Jul 2007.
[Downloadable!]
Other versions:
Jim C. Cox & Daniel Friedman & Vjollca Sadiraj, 2005.
"Revealed Altruism,"
Levine's Bibliography
784828000000000595, UCLA Department of Economics.
[Downloadable!]
James C. Cox & Daniel Friedman & Vjollca Sadiraj, 2008.
"Revealed Altruism,"
Econometrica,
Econometric Society, vol. 76(1), pages 31-69, 01.
[Downloadable!] (restricted)