A model of "satisficing" behavior in the repeated Prisoners Dilemma is studied. Each player has an aspiration at each date, and takes an action. [S]he switches from the action played in the previous period only if the achieved payoff fell below the aspiration level (with a probability that...

We study the determinants of Downward Nominal Wage Rigidity(DNWR) in the context of a new-Keynesian heterogeneous-agent model. Laborproductivity of agents is subject to perfectly insurable idiosyncratic shocks.Wage contracts are signed one period ahead and specify the minimum wagethat the firm...