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arxiv: 2310.01528 · v1 · pith:2MY5AF57 · submitted 2023-10-02 · econ.TH

A new proof for the existence of Nash equilibrium

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classification econ.TH
keywords existencenashproofequilibriumpartconsistsequilibriafirst
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We present a new proof for the existence of a Nash equilibrium, which involves no fixed point theorem. The self-contained proof consists of two parts. The first part introduces the notions of root function and pre-equilibrium. The second part shows the existence of pre-equilibria and Nash equilibria.

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