What's the Matter with Tie-Breaking? Improving Efficiency in School Choice
AbstractIn several school choice districts in the United States, the student proposing deferred acceptance algorithm is applied after indifferences in priority orders are broken in some exogenous way. Although such a tie-breaking procedure preserves stability, it adversely affects the welfare of the students since it introduces artificial stability constraints. Our main finding is a polynomial-time algorithm for the computation of a student-optimal stable matching when priorities are weak. The idea behind our construction relies on a new notion which we call a stable improvement cycle. We also investigate the strategic properties of the student-optimal stable mechanism.
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Bibliographic InfoArticle provided by American Economic Association in its journal American Economic Review.
Volume (Year): 98 (2008)
Issue (Month): 3 (June)
Other versions of this item:
- Aytek Erdil & Haluk Ergin, 2007. "What`s the Matter with Tie-breaking? Improving Efficiency in School Choice," Economics Series Working Papers 349, University of Oxford, Department of Economics.
- I28 - Health, Education, and Welfare - - Education - - - Government Policy
- H75 - Public Economics - - State and Local Government; Intergovernmental Relations - - - State and Local Government: Health, Education, and Welfare
- I21 - Health, Education, and Welfare - - Education - - - Analysis of Education
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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