Screening Workers with Affirmative Action

Charles Po-Cheng Huang

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arXiv · 2604.00615

Screening Workers with Affirmative Action

Charles Po-Cheng Huang

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Abstract

This paper examines the optimal contracts in a two-dimensional screening model where one dimension (group identity) is verifiable by agents but not falsifiable. A principal offers contracts to agents who differ in cost types and group membership. Motivated by the United States Federal policy, Work Opportunity Tax Credit (WOTC), the principal receives tax benefits for hiring agents from protected groups. Under the assumption that the protected agents tend to have higher cost types, the optimal contract induces full separation across both dimensions: agents reveal the cost type and the group identity through contract choice. Furthermore, the principal is willing to hire the trait agents up to a higher cost threshold than the non-trait agents, and this threshold increases with the tax credit. Conversely, when the protected agents tend to have lower cost types, the optimal design without tax credits pools groups while separating by cost type. These results demonstrate that both affirmative action and non-discrimination can be optimal depending on the cost distribution ordering across groups.

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Charles Po-Cheng Huang. 2026-04-01. Screening Workers with Affirmative Action. https://arxiv.org/abs/2604.00615

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