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Triage in Kidney Exchange

Jörgen Kratz ()

Discussion Papers from Department of Economics, University of York

Abstract: This paper studies a kidney exchange problem in which a planner sorts patients into "priority groups" based on, e.g., the severity of their conditions. The planner may choose to allow cyclic exchanges, chains, altruistically unbalanced exchanges and desensitization. It presents a computational method for finding a new class of matchings that give priority to patients in higher priority groups, called "priority group matchings". These matchings are always Pareto efficient no matter how patients are sorted into priority groups or how the kidney exchange program is designed by the planner. Priority group matchings generalize several classes of matchings, where different classes correspond to different ways of prioritizing patients. This includes maximum matchings and (half-compatibility) priority matchings.

Keywords: Kidney exchange; triage; priority matching; priority group; threshold matching; desensitization. (search for similar items in EconPapers)
JEL-codes: C78 D47 (search for similar items in EconPapers)
Date: 2019-03
New Economics Papers: this item is included in nep-des
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