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The College Admissions Problem Revisited
Alvin E. Roth
Marilda Sotomayor
Abstract
The college admissions problem is perhaps the simplest model of many-to-one matching in two-sided markets such as labor markets. We show that the set of stable outcomes (which is equal to the core defined by weak domination) has some surprising properties not found in models of one-to-one matching. These properties may help to explain the success that this kind of model has had in explaining empirical observations.
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