Rock-Paper-Scissors; A New and Elegant Proof
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Date
2007-09-12
Authors
Nouweland, Anne van den
Journal Title
Journal ISSN
Volume Title
Publisher
University of Oregon, Dept of Economics
Abstract
I provide an elegant proof identifying the unique mixed Nash equilibrium
of the Rock-Paper-Scissors game. The proof is based on intuition
rather than elimination of cases. It shows that for any mixed
strategy other than the one that puts equal probability on each of a
player’s actions, it holds that this strategy is not a best response to
any mixed strategy that is a best response to it.
Description
7 p.