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Informational Puts

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  • Andrew Koh
  • Sivakorn Sanguanmoo
  • Kei Uzui

Abstract

We analyze how dynamic information should be provided to uniquely implement the largest equilibrium in binary-action coordination games. The designer offers an informational put: she stays silent if players choose her preferred action, but injects asymmetric and inconclusive public information if they lose faith. There is (i) no multiplicity gap: the largest (partially) implementable equilibrium can be implemented uniquely; and (ii) no commitment gap: the policy is sequentially optimal. Our results have sharp implications for the design of policy in coordination environments.

Suggested Citation

  • Andrew Koh & Sivakorn Sanguanmoo & Kei Uzui, 2024. "Informational Puts," Papers 2411.09191, arXiv.org, revised Dec 2024.
    • Handle: RePEc:arx:papers:2411.09191
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    References listed on IDEAS

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    2. Qingmin Liu & Konrad Mierendorff & Xianwen Shi & Weijie Zhong, 2019. "Auctions with Limited Commitment," American Economic Review, American Economic Association, vol. 109(3), pages 876-910, March.
    3. Diamond, Peter A, 1982. "Aggregate Demand Management in Search Equilibrium," Journal of Political Economy, University of Chicago Press, vol. 90(5), pages 881-894, October.
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