Article metadata

"Minimally unstable Pareto improvements over deferred acceptance"


 
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1. Title Title of document Minimally unstable Pareto improvements over deferred acceptance
 
2. Creator Author's name, affiliation Battal Dogan; Department of Economics, University of Bristol
 
2. Creator Author's name, affiliation Lars Ehlers; Département de sciences économiques and CIREQ, Université de Montréal
 
 
3. Subject Subject(s) School choice, deferred acceptance, stability comparisons, cardinal minimal instability
 
3. Subject Subject classification C70, D47, D61, D63
 
4. Description Abstract We investigate efficient and minimally unstable Pareto improvements over the deferred acceptance (DA) mechanism-a popular school choice mechanism which is stable but not efficient. We show that there is no Pareto improvement over the DA mechanism which is minimally unstable among efficient assignments when the stability comparison is based on counting the number of blocking pairs. Our main result characterizes the priority profiles for which there exists a Pareto improvement over the DA assignment that is minimally unstable among efficient assignments. We further consider an alternative natural stability comparison based on the set of blocking students who are involved in at least one blocking pair, show that the impossibilities remain, and characterize the possibility domain of priority profiles.
 
5. Publisher Organizing agency, location Econometric Society
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 2021-11-08
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format pdf
 
10. Identifier Universal Resource Indicator https://econtheory.org/ojs/index.php/te/article/view/4257
 
11. Source Journal/conference title; vol., no. (year) Theoretical Economics; Volume 16, Number 4 (November 2021)
 
12. Language English=en en
 
15. Rights Copyright and permissions Authors who publish in Theoretical Economics will release their articles under the Creative Commons Attribution-NonCommercial license. This license allows anyone to copy and distribute the article for non-commercial purposes provided that appropriate attribution is given.