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Testing the simplicity of strategy-proof mechanisms

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  • Alexander L. Brown
  • Daniel G. Stephenson
  • Rodrigo A. Velez

Abstract

This paper experimentally evaluates four mechanisms intended to achieve the Uniform outcome in rationing problems (Sprumont, 1991). Our benchmark is the dominant-strategy, direct-revelation mechanism of the Uniform rule. A strategically equivalent mechanism that provides non-binding feedback during the reporting period greatly improves performance. A sequential revelation mechanism produces modest improvements despite not possessing dominant strategies. A novel, obviously strategy-proof mechanism, devised by Arribillaga et al. (2023), does not improve performance. We characterize each alternative to the direct mechanism, finding general lessons about the advantages of real-time feedback and sequentiality of play as well as the potential shortcomings of an obviously strategy-proof mechanism.

Suggested Citation

  • Alexander L. Brown & Daniel G. Stephenson & Rodrigo A. Velez, 2024. "Testing the simplicity of strategy-proof mechanisms," Papers 2404.11883, arXiv.org.
    • Handle: RePEc:arx:papers:2404.11883
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    References listed on IDEAS

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