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Axiomatizing additive multi-effort contests

Kjell Hausken ()

SN Business & Economics, 2021, vol. 1, issue 11, 1-12

Abstract: Abstract A rent seeking model is axiomatized where players exert multiple additive efforts which are substitutable in the contest success function. The axioms assume the sufficiency of exerting one effort, and that adding an amount to one effort and subtracting the same amount from a second equivalent substitutable effort keeps the winning probabilities unchanged. In contrast, the multiplicative Cobb–Douglas production function in the earlier literature requires players to exert all their complementary efforts. The requirement follows from assuming a homogeneity axiom where an equiproportionate change in two players’ matched efforts does not affect the winning probabilities. This article abandons the homogeneity axiom and assumes an alternative axiom where the winning probabilities remain unchanged when a fixed positive amount is added to all players’ efforts. This article also assumes a so-called summation axiom where the winning probabilities remain unchanged when a player substitutes an amount of effort from one effort into another effort. The summation axiom excludes multiplicative production functions, and furnishes a foundation for additive production functions.

Keywords: Rent seeking; Additive efforts; Axioms; Contest success function (search for similar items in EconPapers)
JEL-codes: C70 C72 D72 D74 (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s43546-021-00155-5

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