Equity in auction design with unit-demand agents and non-quasilinear preferences

Fuente: arXiv
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Hauptverfasser: Kazumura, Tomoya, Mishra, Debasis, Serizawa, Shigehiro
Format: Preprint
Veröffentlicht: 2026
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author Kazumura, Tomoya
Mishra, Debasis
Serizawa, Shigehiro
author_facet Kazumura, Tomoya
Mishra, Debasis
Serizawa, Shigehiro
contents We study a model of auction design where a seller is selling a set of objects to a set of agents who can be assigned no more than one object. Each agent's preference over (object, payment) pair need not be quasilinear. If the domain contains all classical preferences, we show that there is a unique mechanism, the minimum Walrasian equilibrium price (MWEP) mechanism, which is strategy-proof, individually rational, and satisfies equal treatment of equals, no-wastage (every object is allocated to some agent), and no-subsidy (no agent is subsidized). This provides an equity-based characterization of the MEWP mechanism, and complements the efficiency-based characterization of the MWEP mechanism known in the literature.
format Preprint
id arxiv_https___arxiv_org_abs_2602_16211
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Equity in auction design with unit-demand agents and non-quasilinear preferences
Kazumura, Tomoya
Mishra, Debasis
Serizawa, Shigehiro
Theoretical Economics
We study a model of auction design where a seller is selling a set of objects to a set of agents who can be assigned no more than one object. Each agent's preference over (object, payment) pair need not be quasilinear. If the domain contains all classical preferences, we show that there is a unique mechanism, the minimum Walrasian equilibrium price (MWEP) mechanism, which is strategy-proof, individually rational, and satisfies equal treatment of equals, no-wastage (every object is allocated to some agent), and no-subsidy (no agent is subsidized). This provides an equity-based characterization of the MEWP mechanism, and complements the efficiency-based characterization of the MWEP mechanism known in the literature.
title Equity in auction design with unit-demand agents and non-quasilinear preferences
topic Theoretical Economics
url https://arxiv.org/abs/2602.16211