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Partial strategyproofness: Relaxing strategyproofness for the random assignment problem

Timo Mennle and Sven Seuken

Journal of Economic Theory, 2021, vol. 191, issue C

Abstract: We present partial strategyproofness, a new, relaxed notion of strategyproofness for studying the incentive properties of non-strategyproof assignment mechanisms. Informally, a mechanism is partially strategyproof if it makes truthful reporting a dominant strategy for those agents whose preference intensities differ sufficiently between any two objects. We demonstrate that partial strategyproofness is axiomatically motivated and yields a parametric measure for “how strategyproof” an assignment mechanism is. We apply this new concept to derive novel insights about the incentive properties of the probabilistic serial mechanism and different variants of the Boston mechanism.

Keywords: Mechanism design; Random assignment; Matching; Strategyproofness; Probabilistic serial; Boston mechanism (search for similar items in EconPapers)
JEL-codes: C78 D47 D82 (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1016/j.jet.2020.105144

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