Robust implementation in sequential information design under supermodular payoffs and objective

Hiroto Sato ()
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Hiroto Sato: University of Tokyo

Review of Economic Design, 2023, vol. 27, issue 2, No 1, 269-285

Abstract: Abstract This paper studies sequential information design (Doval and Ely in Econometrica 88:2575–2608, 2020) in which a designer can construct the extensive form along with the information structure. In this framework, I investigate robust implementations against adversarial equilibrium selection, when players and the designer have a supermodular payoff function with dominant states and an outside option. The main results show that the optimal partially implementable outcome is fully implementable in sequential information design, which essentially coincides with the optimal partially implementable outcome in static information design. For economic applications such as global game of regime change, this paper proposes a way to robustly achieve the desired outcome in static information design by providing the extensive form and the information structure.

Keywords: Information design; Sequential information design; Supermodular game; C72; D82; D83 (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10058-022-00304-8

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