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The kidney exchange problem: How hard is it to find a donor?

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  • Katarína Cechlárová
  • Vladimír Lacko

Abstract

The most effective treatment for kidney failure that is currently known is transplantation. However, the supply of kidneys from cadaveric donors does not meet the fast-growing demand and the kidney from a willing living donor (genetically or emotionally relative of the patient) is often not suitable for immunological reasons. Therefore in several countries attempts have started to organize exchanges of kidneys between incompatible patient-donor pairs. On the theoretical side, game-theoretical models have been proposed to analyze various optimality criteria for such exchanges and various search schemes have been tested. One possibility to model patients’ preferences is to take into account in the first step the suitability of the donated kidney and in the second step the length of the obtained cycle of exchanges. Although the core of such a cooperative game is always nonempty and one solution can be found by the famous Top Trading Cycles algorithm, in this paper we show that many questions concerning the structure of the core are difficult to answer. Copyright Springer Science+Business Media, LLC 2012

Suggested Citation

  • Katarína Cechlárová & Vladimír Lacko, 2012. "The kidney exchange problem: How hard is it to find a donor?," Annals of Operations Research, Springer, vol. 193(1), pages 255-271, March.
    • Handle: RePEc:spr:annopr:v:193:y:2012:i:1:p:255-271:10.1007/s10479-010-0691-4
    DOI: 10.1007/s10479-010-0691-4
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    References listed on IDEAS

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    3. Roth, Alvin E. & Sonmez, Tayfun & Utku Unver, M., 2005. "Pairwise kidney exchange," Journal of Economic Theory, Elsevier, vol. 125(2), pages 151-188, December.
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