Incentives and Stability in Large Two-Sided Matching Markets

A number of labor markets and student placement systems can be modeled as many-to-one matching markets. We analyze the scope for manipulation in many-to-one matching markets under the student-optimal stable mechanism when the number of participants is large. Under some regularity conditions, we show...

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Main Authors: Kojima, Fuhito, Pathak, Parag
Other Authors: Massachusetts Institute of Technology. Department of Economics
Format: Article
Language:en_US
Published: American Economic Association 2011
Online Access:http://hdl.handle.net/1721.1/61663
https://orcid.org/0000-0001-8621-3864
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author Kojima, Fuhito
Pathak, Parag
author2 Massachusetts Institute of Technology. Department of Economics
author_facet Massachusetts Institute of Technology. Department of Economics
Kojima, Fuhito
Pathak, Parag
author_sort Kojima, Fuhito
collection MIT
description A number of labor markets and student placement systems can be modeled as many-to-one matching markets. We analyze the scope for manipulation in many-to-one matching markets under the student-optimal stable mechanism when the number of participants is large. Under some regularity conditions, we show that the fraction of participants with incentives to misrepresent their preferences when others are truthful approaches zero as the market becomes large. With an additional condition, truthful reporting by every participant is an approximate equilibrium under the student-optimal stable mechanism in large markets.
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spelling mit-1721.1/616632022-09-26T10:23:10Z Incentives and Stability in Large Two-Sided Matching Markets Kojima, Fuhito Pathak, Parag Massachusetts Institute of Technology. Department of Economics Pathak, Parag Pathak, Parag A number of labor markets and student placement systems can be modeled as many-to-one matching markets. We analyze the scope for manipulation in many-to-one matching markets under the student-optimal stable mechanism when the number of participants is large. Under some regularity conditions, we show that the fraction of participants with incentives to misrepresent their preferences when others are truthful approaches zero as the market becomes large. With an additional condition, truthful reporting by every participant is an approximate equilibrium under the student-optimal stable mechanism in large markets. National Science Foundation (U.S.) Spencer Foundation 2011-03-11T14:36:14Z 2011-03-11T14:36:14Z 2009-06 Article http://purl.org/eprint/type/JournalArticle 0002-8282 http://hdl.handle.net/1721.1/61663 Kojima, Fuhito, and Parag A. Pathak. 2009. "Incentives and Stability in Large Two-Sided Matching Markets." American Economic Review, 99(3): 608–27.© 2009 AEA https://orcid.org/0000-0001-8621-3864 en_US http://dx.doi.org/10.1257/aer.99.3.608 American Economic Review Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Economic Association MIT web domain
spellingShingle Kojima, Fuhito
Pathak, Parag
Incentives and Stability in Large Two-Sided Matching Markets
title Incentives and Stability in Large Two-Sided Matching Markets
title_full Incentives and Stability in Large Two-Sided Matching Markets
title_fullStr Incentives and Stability in Large Two-Sided Matching Markets
title_full_unstemmed Incentives and Stability in Large Two-Sided Matching Markets
title_short Incentives and Stability in Large Two-Sided Matching Markets
title_sort incentives and stability in large two sided matching markets
url http://hdl.handle.net/1721.1/61663
https://orcid.org/0000-0001-8621-3864
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