We develop a dynamic general equilibrium two-economy model in order to analyze the welfare effects of monetary policy in open economies. The model features two distortions: one distortion due to monopolistic competition, and one distortion due to a consumption externality. This consumption...

Results of empirical research have revealed a characteristic hump-shaped effect of monetary policy shocks on output: the effect builds to a peak after several months and then gradually dies out. We analyze, in the context of a "new open economy macroeconomics" model, factors that imply a...