On The Expressiveness Of Assignment Messages
ECONOMICS LETTERS（2021）
摘要
In this note we prove that the class of valuation functions representable via integer assignment messages is a proper subset of strong substitutes valuations. Thus, there are strong substitutes valuations not expressible via assignment messages. (C) 2021 Elsevier B.V. All rights reserved.
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关键词
Strong substitutes, Assignment messages, Auctions, Min-cost flows
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