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An Experimental Test of a Committee Search Model

Author

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  • Hizen, Yoichi

    (Hokkaido University)

  • Kawata, Keisuke

    (University of Tokyo)

  • Sasaki, Masaru

    (Osaka University)

Abstract

The objective of this paper is to design a laboratory experiment for an infinite-horizon sequential committee search model in order to test some of the implications obtained by the model in Albrecht, Anderson, and Vroman (2010) (AAV). We find that, compared with single-agent search, the search duration is longer for committee search under the unanimity rule, but is shorter for committee search in which at least one vote is required to stop searching. In addition, according to estimates from round-based search decisions, subjects are more likely to vote to stop searching in committee search than in single-agent search. This confirms that agents are less picky in committee search. Overall, the experimental outcomes are consistent with the implications suggested by the AAV model. However, despite the prediction from the AAV model, we could not obtain a significant outcome in relation to the size order of the probabilities of voting to stop searching in committee search for the various plurality voting rules.

Suggested Citation

  • Hizen, Yoichi & Kawata, Keisuke & Sasaki, Masaru, 2012. "An Experimental Test of a Committee Search Model," IZA Discussion Papers 6861, Institute of Labor Economics (IZA).
    • Handle: RePEc:iza:izadps:dp6861
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    References listed on IDEAS

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    1. Schunk, Daniel & Winter, Joachim, 2009. "The relationship between risk attitudes and heuristics in search tasks: A laboratory experiment," Journal of Economic Behavior & Organization, Elsevier, vol. 71(2), pages 347-360, August.
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    Cited by:

    1. Inukai, Keigo & Kawata, Keisuke & Sasaki, Masaru, 2017. "Committee Search with Ex-ante Heterogeneous Agents: Theory and Experimental Evidence," IZA Discussion Papers 10760, Institute of Labor Economics (IZA).
    2. Nicolás Figueroa & José-Alberto Guerra & Francisco Silva, 2022. "The role of information in collective decisions," Documentos CEDE 20508, Universidad de los Andes, Facultad de Economía, CEDE.
    3. Vincent Mak & Darryl A. Seale & Amnon Rapoport & Eyran J. Gisches, 2019. "Voting Rules in Sequential Search by Committees: Theory and Experiments," Management Science, INFORMS, vol. 65(9), pages 4349-4364, September.
    4. Mak, Vincent & Rapoport, Amnon & Seale, Darryl A., 2014. "Sequential search by groups with rank-dependent payoffs: An experimental study," Organizational Behavior and Human Decision Processes, Elsevier, vol. 124(2), pages 256-267.

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    More about this item

    Keywords

    plurality voting rules; committee search; experiments;
    All these keywords.

    JEL classification:

    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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