A choice-theoretic, cash-in-advance model is constructed to examine foreign-exchange controls. While foreign-exchange controls improve the trade balance and the balance-of-payments (or exchange rate) they reduce welfare for a distortion-free, small, open economy. This is because foreign-exchange...

This analysis investigates modeling the natural rate of unemployment in settings wh ere labor's utilization has some lumpy aspect to it. Specifically, th e introduction of various nonconvexities into tastes and technology l ead to unemployment in general equilibrium. Equilibria can emerge whe re...