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Information in Tullock contests

A. Aiche, E. Einy, Ori Haimanko, Diego Moreno (), A. Sela and B. Shitovitz
Additional contact information
A. Aiche: University of Haifa
E. Einy: Ben-Gurion University of the Negev
A. Sela: Ben-Gurion University of the Negev
B. Shitovitz: University of Haifa

Theory and Decision, 2019, vol. 86, issue 3, No 1, 303-323

Abstract: Abstract In Tullock contests in which the common value of the prize is uncertain and the elasticity of the marginal cost of effort is increasing (decreasing), the effect of changes of players’ information on the equilibrium efforts and payoffs is unambiguous: if information is symmetric, then expected effort decreases (increases) as players become better informed; in two-player contests, the expected effort of a player with information advantage is less (greater) than that of his opponent. Sharper results arise when the cost of effort is linear: Under symmetric information, expected effort and payoff are invariant to changes in the players’ information. In two-player contests, both players exert the same expected effort regardless of their information, although expected effort is smaller when one player has information advantage than when both players have the same information. Interestingly, the expected payoff of a player with information advantage is larger than that of his opponent, even though he wins the prize less frequently.

Keywords: Tullock contests; Common value; Asymmetric information (search for similar items in EconPapers)
Date: 2019
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Working Paper: INFORMATION IN TULLOCK CONTESTS (2017) Downloads
Working Paper: Information in Tullock contest (2017) Downloads
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DOI: 10.1007/s11238-018-9682-8

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