This paper extends the concept of discretionary equilibrium for linear-quadratic models with rational expectations by allowing for linear non-Markovian strategies of the policy-maker and the other agents in the economy. Applying this concept to the standard New Keynesian framework, we show that...

In this paper we consider a number of key issues related to the policy coordination in a monetary union that has been recently discussed in the literature. To this end we propose a multi-country New-Keynesian model of a monetary union cast in the framework of linear quadratic differential games....

Membership in a monetary union implies stronger incentives for nominal wage flexibility in the form of wage indexation and shorter contract length than nonmembership. For example, entry into a monetary union may cause a move from a non-indexation to an indexation equilibrium. But more wage...