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We analyze optimal monetary policy in a small open economy characterized by home bias in consumption. Peculiar to our framework is the application of a Ramsey-type analysis to a model of the recent open-economy New Keynesian literature. We show that home bias in consumption is a sufficient condition for inducing the monetary policymaker of an open economy to deviate from a strategy of strict markup stabilization and contemplate some (optimal) degree of exchange rate stabilization. We focus on the optimal setting of policy both in the case of firms setting prices one period in advance and in a gradual fashion subject to adjustment costs. While the first setup allows us to analytically highlight home bias as an independent source of equilibrium markup variability, the second setup allows to study the effects of future expectations on the optimal policy problem and the effect of home bias on optimal inflation volatility. The latter, in particular, is shown to be related to the degree of trade openness in a U-shaped fashion, whereas exchange rate volatility is monotonically decreasing in openness. 相似文献
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ESTER FAIA 《Journal of Money, Credit and Banking》2007,39(1):151-185
I propose a unitary framework to interpret the links between differences in financial structures and the monetary policy regimes, on the one hand, and the correlation of business cycles, on the other. Using a two-country micro-founded model with financial frictions I predict that a greater financial diversity should reduce cyclical correlation under a given monetary regime and that moving from independent monetary policies to a hard peg or a common currency should increase it, for any given degree of financial diversity. I use the recent experience of EMU to test these ideas and show that my model explains reasonably well the broad patterns of business cycle correlation observed recently among the main euro area countries. 相似文献
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ESTER FAIA WOLFGANG LECHTHALER CHRISTIAN MERKL 《Journal of Money, Credit and Banking》2014,46(1):115-144
We study optimal monetary policy and welfare properties of a dynamic stochastic general equilibrium (DSGE) model with a labor selection process, labor turnover costs, and Nash bargained wages. We show that our model implies inefficiencies that cannot be offset in a standard wage bargaining regime. We also show that the inefficiencies rise with the magnitude of firing costs. As a result, in the optimal Ramsey plan, the optimal inflation volatility deviates from zero and is an increasing function of firing costs. 相似文献
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