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MUDA: A Truthful Multi-Unit Double-Auction Mechanism
Erel Segal-Halevi, Avinatan Hassidim, Yonatan Aumann
In a seminal paper, McAfee (1992) presented a truthful mechanism for double auctions, attaining asymptotically-optimal gain-from-trade without any prior information on the valuatio…
Truthful Bilateral Trade is Impossible even with Fixed Prices
Erel Segal-Halevi, Avinatan Hassidim
A seminal theorem of Myerson and Satterthwaite (1983) proves that, in a game of bilateral trade between a single buyer and a single seller, no mechanism can be simultaneously indiv…
Fair Allocation based on Diminishing Differences
Erel Segal-Halevi, Haris Aziz, Avinatan Hassidim
Ranking alternatives is a natural way for humans to explain their preferences. It is being used in many settings, such as school choice, course allocations and residency matches. I…