Payoffs in Exact TU Economies

Omer Edhan Idan, Omer Edhan

Research output: Contribution to journalArticlepeer-review


We prove that a single-valued solution of perfectly competitive TU economies underlying nonatomic exact market games is uniquely determined as the Mertens [23] value by four plausible value-related axioms. Since the Mertens value is always a core element, this result provides an axiomatization of the Mertens value as a core-selection. Previous works in this direction assumed the economies to be either differentiable (e.g., Dubey and Neyman [11]) or of uniform finite-type (e.g., Haimanko [16]). Our work does not assume that, thus it contributes to the axiomatic study of payoffs in perfectly competitive economies (or values of their derived market games) in general. In fact, this is the first contribution in this direction.
Original languageEnglish
Pages (from-to)152-184
Number of pages32
JournalJournal of Economic Theory
Publication statusPublished - 22 Nov 2014


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