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Committee Search with Ex-ante Heterogeneous Agents: Theory and Experimental Evidence
by Keigo Inukai, Keisuke Kawata, Masaru Sasaki
(May 2017)

Abstract:
The paper develops a committee search model with ex-ante heterogeneous agents and designs laboratory experiments to test theoretical predictions. In the theoretical part of the study, there exists one and only one pivotal voter, who can perfectly and dominantly control the voting results of the committee search activities. The most important prediction is that nonpivotal voters become less picky in committee search than in single-agent search, but that a pivotal voter's voting behavior remains unchanged, regardless of the type of voting rules for the search. However, our experimental results did not support this prediction; not only the nonpivotal voters but also the pivotal voter became less picky in the committee search games. In addition, we found gender differences in voting behavior; females show more concern for other group members' payoff as well as themselves than do males.
Text: See Discussion Paper No. 10760