Fair and Efficient Assignment via the Probabilistic Serial Mechanism
This paper studies the problem of assigning a set of indivisible objects to a set of agents when monetary transfers are not allowed. We offer two characterizations of the prominent lottery assignment mechanism called the probabilistic serial. We show that it is the only mechanism satisfying non-wastefulness and ordinal fairness. Our second result shows that a direct ordinal mechanism satisfies ordinal efficiency, envy-freeness, and upper invariance if and only if it is the probabilistic serial.
|Date of creation:||27 Jul 2010|
|Date of revision:||30 May 2011|
|Note:||previously circulated as "The Probabilistic Serial Assignment Mechanism"|
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- M.Utku Unver, 2003.
"Course Bidding at Business Schools,"
257, University of Pittsburgh, Department of Economics, revised Jan 2003.
- Tayfun Sonmez & M. Utku Unver, 2003. "Course Bidding at Business Schools," Game Theory and Information 0306001, EconWPA, revised 02 Jan 2004.
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"Pairwise kidney exchange,"
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- Alvin E. Roth & Tayfun Sönmez & M. Utku Ünver, 2004. "Pairwise Kidney Exchange," Boston College Working Papers in Economics 620, Boston College Department of Economics.
- Alvin E. Roth & Tayfun Sonmez & M. Utku Unver, 2004. "Pairwise Kidney Exchange," NBER Working Papers 10698, National Bureau of Economic Research, Inc.
- Alvin E. Roth & Tayfun Sönmez & M. Utku Ünver, 2004. "Pairwise Kidney Exchange," Game Theory and Information 0408001, EconWPA, revised 16 Feb 2005.
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