This paper develops a model of the circumstances under which it is beneficial to participate in a currency area. The proposed two-country monetary model of trade with nominal rigidities encompasses the real and monetary arguments suggested by the optimum currency area literature: correlation of...

In the 24 years since its introduction, the euro has experienced a financial crisis, a government debt crisis, a global pandemic, and an energy crisis-and survived. Using a model focusing on households, this Weekly Report shows that the monetary union’s stability is rooted in the fact that the...

How does a monetary union alter the impact of business cycle shocks at the household level? We develop a Heterogeneous Agent New Keynesian model of two countries (HANK2) and show in closed form that a monetary union shifts the adjustment to a shock horizontally - across countries - within the...

The New Keynesian DSGE literature has come to the consensus that, from the perspective of business cycle stabilization, countries are worse off in terms of welfare by forming a monetary union. This consensus, however, is based on the assumption of monetary policy being optimal. Using a standard...

This paper studies the welfare impact of a common monetary policy in the context of a two-country, general equilibrium model with liquidity effect and nominal wage contracts, heterogeneous agents, imperfect competition in the labor market, trade in goods, immobility of labor and mobility of...