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Anonymity and stability in large many-to-many markets
In many-to-many matching markets, various competing stability concepts have been introduced. Most of these stability concepts lack a clear interpretation. This paper argues that the differences between solution concepts reflect different implicit anonymity assumptions. Such anonymity assumptions can best be justified in large markets, modeled in this paper with a continuum of agents. In such large markets, stability is actually a much better behaved solution concept; stability blocks do indeed lead to an improvement for all members of a blocking coalition, unlike in finite markets. It is shown that various differences between solution concepts disappear. In particular stability and weak setwise stability coincide. Moreover, the relationship between anonymity and largeness of the market is made explicit in a natural noncooperative foundation of stability
Date:
4 May 2022, 17:00
Venue:
Nuffield College, New Road OX1 1NF
Speaker:
Karolina Vocke (University of Oxford)
Organising department:
Department of Economics
Part of:
Postdoctoral Seminar
Booking required?:
Not required
Audience:
Members of the University only
Editor:
Emma Heritage
