Hofbauer, J.;
Oechssler, J.;
Riedel, F.;
(2007)
Brown-von Neumann-Nash dynamics: the continuous strategy case.
(ELSE Working Papers
203).
ESRC Centre for Economic Learning and Social Evolution: London, UK.
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Abstract
In John Nash’s proofs for the existence of (Nash) equilibria based on Brouwer’s theorem, an iteration mapping is used. A continuous—time analogue of the same mapping has been studied even earlier by Brown and von Neumann. This differential equation has recently been suggested as a plausible boundedly rational learning process in games. In the current paper we study this Brown—von Neumann—Nash dynamics for the case of continuous strategy spaces. We show that for continuous payoff functions, the set of rest points of the dynamics coincides with the set of Nash equilibria of the underlying game. We also study the asymptotic stability properties of rest points. While strict Nash equilibria may be unstable, we identify sufficient conditions for local and global asymptotic stability which use concepts developed in evolutionary game theory.
| Type: | Working / discussion paper |
|---|---|
| Title: | Brown-von Neumann-Nash dynamics: the continuous strategy case |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://dx.doi.org/10.2139/ssrn.1015225 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | JEL classification: C70, 72. Learning in games, evolutionary stability, BNN |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Mathematics |
| URI: | https://discovery.ucl.ac.uk/id/eprint/14527 |
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