This paper introduces a dynamic Bayesian game with an unknown population distribution. Players do not know the true population distribution and assess it based on their private observations using Bayes׳ rule. First, we show the existence and characterization of an equilibrium in which each...

This paper explores ‘competitive equilibrium under uncertainty’ by Radner (1968). We provide a simple proof for the existence of a Walrasian equilibrium and characterize the maximal number of markets in the extended Arrow–Debreu economy.