A recent experimental study of Cai and Wang (2003) on strategic information transmission games reveals that subjects tend to transmit more information than predicted by the standard equilibrium analysis. To evidence that this overcommunication phenomenon can be explained in some situations in terms of a tension between normative social behavior and incentives for lying, we show that in a simple sender-receiver game subjects incurring in costs to punish liars tell the truth more often than predicted by the equilibrium analysis whereas subjects that do not punish liars after receiving a deceptive message play equilibrium strategies. Thus, we can partition the subject pool into two groups, one group of subjects with preferences for truth-telling and another group taking into account only economic incentives.
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Paper provided by Edinburgh School of Economics, University of Edinburgh in its series ESE Discussion Papers with number
128.
Find related papers by JEL classification: C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information
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