Abstract. Myerson and Satterthwaite (1983) prove that if one seller and one buyer have independent private valuations for an indivisible object then no individually rational and incentive compatible trading mechanism can guarantee ex post efficiency when gains from trade are uncertain. Makowski and Mezzetti (1993) show that this is not the case when there are at least two buyers. In the latter context, if the highest possible seller's valuation is not too large, we provide an ex post efficient mechanism in which the mechanism designer and the agents are not required to know the probability distribution for the seller's valuation.
On efficient trading mechanisms between one seller and n buyers / Domenico Menicucci. - In: REVIEW OF ECONOMIC DESIGN. - ISSN 1434-4742. - STAMPA. - 5:(2000), pp. 59-70. [10.1007/s100580050047]
On efficient trading mechanisms between one seller and n buyers
MENICUCCI, DOMENICO
2000
Abstract
Abstract. Myerson and Satterthwaite (1983) prove that if one seller and one buyer have independent private valuations for an indivisible object then no individually rational and incentive compatible trading mechanism can guarantee ex post efficiency when gains from trade are uncertain. Makowski and Mezzetti (1993) show that this is not the case when there are at least two buyers. In the latter context, if the highest possible seller's valuation is not too large, we provide an ex post efficient mechanism in which the mechanism designer and the agents are not required to know the probability distribution for the seller's valuation.
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