Speeding up deferred acceptance

Gregory Z. Gutin, Daniel Karapetyan, Philip R. Neary, Alexander Vickery and Anders Yeo

Papers from arXiv.org

Abstract: A run of the deferred acceptance (DA) algorithm may contain proposals that are sure to be rejected. We introduce the accelerated deferred acceptance algorithm that proceeds in a similar manner to DA but with sure-to-be rejected proposals ruled out. Accelerated deferred acceptance outputs the same stable matching as DA but does so more efficiently: it terminates in weakly fewer rounds, requires weakly fewer proposals, and final pairs match no later. Computational experiments show that these efficiency savings can be strict.

Date: 2024-09
New Economics Papers: this item is included in nep-des and nep-mic
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