The Introduction of a Three-Dimensional Payoff Matrix

35 Pages Posted: 18 Jan 2012

Date Written: July 15, 2011

Abstract

We introduce the novel concept of a three-dimensional payoff matrix based on a simplified version of a card game. This matrix is necessary to represent the three variables which correspond to the dynamics of the game. We find Sonnaville-Mensink Equilibria (SME) that represent the optimal actions for a game in a match with an infinite number of games. Subsequently, we identify three Nash Equilibria (NE) in both the infinite and finite match. The SME differs from the NE in that the former is applicable in a game with incomplete information where the optimal action of a player depends not only on the actions and corresponding payoffs of both players, but also on a third element that is influenced by the actions of both players. We illustrate that in most cases the NE is unilateral and thus known to one player only. The other player cannot recognize the NE, but will nevertheless act accordingly to the NE.

Keywords: game theory, nash equilibrium, NE, Sonnaville-Mensink equilibrium, SME, three-dimensional payoff matrix, 3D, two person game, N game match

JEL Classification: C70, C72, C73, C78, C79

Suggested Citation

de Sonnaville, Lukas M. and Mensink, Thomas, The Introduction of a Three-Dimensional Payoff Matrix (July 15, 2011). Available at SSRN: https://ssrn.com/abstract=1986724 or http://dx.doi.org/10.2139/ssrn.1986724

Lukas M. De Sonnaville

University of Twente ( email )

Postbus 217
Twente
Netherlands

Thomas Mensink (Contact Author)

University of Twente ( email )

Postbus 217
Twente
Netherlands

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