On the Stability of Equilibria in Incomplete Information Games under Ambiguity

Giuseppe De Marco and Maria Romaniello ()
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Maria Romaniello: Seconda Università di Napoli

CSEF Working Papers from Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy

Abstract: In this paper, we look at the (Kajii and Ui) mixed equilibrium notion, which has been recognized by previous literature as a natural solution concept for incomplete information games in which players have multiple priors on the space of payoff relevant states. We investigate the problem of stability of mixed equilibria with respect to perturbations on the sets of multiple priors. We find out that the (Painlevé-Kuratowski) convergence of posteriors ensures that stability holds; whereas, convergence of priors is not enough to obtain stability since it does not always implies convergence of posteriors when we consider updating rules (for multiple priors) based on the classical Bayesian approach.

Keywords: Incomplete information games; multiple priors; equilibrium stability (search for similar items in EconPapers)
Date: 2013-05-13
New Economics Papers: this item is included in nep-cta, nep-gth, nep-hpe and nep-mic
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Citations: View citations in EconPapers (1)

Published in Applied Mathematical Sciences, 2013, 7(96), 4789-4800 (http://dx.doi.org/10.12988/ams.2013.37355)

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Persistent link: https://EconPapers.repec.org/RePEc:sef:csefwp:332

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