The results of stochastic simulations reported in this paper suggest caution in drawing strong conclusions about the domination of one rule or another for dealing with shocks to an economy. This caution is rooted in observed dynamic instability when monetary policy seeks to control nominal GNP or real exchange rates, in the fact that intuition of certain models does not tell the whole story, in the need to model constraints on the use of policy instruments (particularly fiscal policy), in differences in model specification, and in differences between uncoordinated policy rules and coordinated policy rules.
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