Ambiguous Contracts

We explore the deliberate infusion of ambiguity into the design of contracts. We show that when the agent is ambiguity‐averse and hence chooses an action that maximizes their minimum utility, the principal can strictly gain from using an ambiguous contract, and this gain can be arbitrarily high. We...

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Veröffentlicht in:Econometrica 2024-11, Vol.92 (6), p.1967-1992
Hauptverfasser: Dütting, Paul, Feldman, Michal, Peretz, Daniel, Samuelson, Larry
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container_end_page 1992
container_issue 6
container_start_page 1967
container_title Econometrica
container_volume 92
creator Dütting, Paul
Feldman, Michal
Peretz, Daniel
Samuelson, Larry
description We explore the deliberate infusion of ambiguity into the design of contracts. We show that when the agent is ambiguity‐averse and hence chooses an action that maximizes their minimum utility, the principal can strictly gain from using an ambiguous contract, and this gain can be arbitrarily high. We characterize the structure of optimal ambiguous contracts, showing that ambiguity drives optimal contracts toward simplicity. We also provide a characterization of ambiguity‐proof classes of contracts, where the principal cannot gain by infusing ambiguity. Finally, we show that when the agent can engage in mixed actions, the advantages of ambiguous contracts disappear.
doi_str_mv 10.3982/ECTA22687
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subjects Ambiguity
ambiguity aversion
Ambiguous contract
contract design
Contracts
hidden action
moral hazard
principal‐agent model
Simplicity
title Ambiguous Contracts
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