Efficient Nash equilibria on semilattices

Efficient Nash equilibria on semilattices

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Article ID: iaor20134142
Volume: 56
Issue: 4
Start Page Number: 1603
End Page Number: 1615
Publication Date: Aug 2013
Journal: Journal of Global Optimization
Authors: , ,
Keywords: algebra, Nash equilibrium
Abstract:

This contribution introduces the so‐called quasi‐Leontief functions. In the framework and the language of tropical algebras, our quasi‐Leontief functions are the additive functions defined on a semimodule with values in the semiring of scalars. This class of functions encompasses as a special case the usual Leontief utility function. We establish the existence of efficient Nash equilibria when the strategy spaces are compact and pathconnected topological semilattices.

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