The uncovered interest rate parity condition lies at the heart of the "impossible trinity", stating that the three objectives of fixed exchange rates, free capital flows, and independent monetary policy cannot be pursued simultaneously. We argue that although monetary unification does indeed...

We introduce "financial imperfections" -- asymmetric net wealth positions, incomplete risk-sharing, and interest rate spreads across member countries -- in a prototypical two-country currency union model and study implications for monetary policy transmission mechanism and optimal policy. In...