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Adversarial Selection

Author

Listed:
  • Alma Cohen
  • Alon Klement
  • Zvika Neeman
  • Eilon Solan

Abstract

In many institutional settings, k items are selected with the goal of representing the underlying distribution of claims, opinions, or characteristics in a large population. We study environments with two adversarial parties whose preferences over the selected items are commonly known and opposed. We propose the Quantile Mechanism: one party partitions the population into k disjoint subsets, and the other selects one item from each subset. We show that this procedure is optimally representative among all feasible mechanisms, and illustrate its use in jury selection, multi-district litigation, and committee formation.

Suggested Citation

  • Alma Cohen & Alon Klement & Zvika Neeman & Eilon Solan, 2026. "Adversarial Selection," NBER Working Papers 35031, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:35031
    Note: LE PE POL
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    More about this item

    JEL classification:

    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory
    • D7 - Microeconomics - - Analysis of Collective Decision-Making
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • K4 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior

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