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The Jurisdiction of the Man Within – Introspection, Identity, and Cooperation in a Public Good Experiment

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  • Christoph Engel

    (Max Planck Institute for Research on Collective Goods, Bonn)

  • Michael Kurschilgen

    (Max Planck Institute for Research on Collective Goods, Bonn)

Abstract

According to Adam Smith (1790), human selfishness can be restrained by introspection. We test the effect of introspection on people’s willingness to cooperate in a public good game. Drawing on the concept of identity utility (George A. Akerlof and Rachel E. Kranton, 2000), we show theoretically that introspection may enhance cooperation by increasing the relative cost of deviating from one’s self-image. Experimentally, we induce introspection through the elicitation of (normative) expectations. Our results show that introspection causally increases cooperation. Both home-grown idealism and the experiences with the cooperativeness of the environment predict individual cooperativeness throughout the game.

Suggested Citation

  • Christoph Engel & Michael Kurschilgen, 2015. "The Jurisdiction of the Man Within – Introspection, Identity, and Cooperation in a Public Good Experiment," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2015_01, Max Planck Institute for Research on Collective Goods.
  • Handle: RePEc:mpg:wpaper:2015_01
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    References listed on IDEAS

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    Cited by:

    1. Christoph Engel & André Schmelzer, 2017. "Committing the English and the Continental Way – An Experiment," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2017_16, Max Planck Institute for Research on Collective Goods.
    2. Christoph Engel, 2016. "Experimental Criminal Law. A Survey of Contributions from Law, Economics and Criminology," Discussion Paper Series of the Max Planck Institute for Research on Collective Goods 2016_07, Max Planck Institute for Research on Collective Goods.

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    More about this item

    Keywords

    experiment; Social Dilemma; Identity; Expectations; Introspection;
    All these keywords.

    JEL classification:

    • H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
    • C90 - Mathematical and Quantitative Methods - - Design of Experiments - - - General

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