We use the Reserve Bank of New Zealand's macroeconomic model (FPS) to look at the feasibility of using monetary policy to reduce variability in output, the exchange rate and interest rates while maintaining an inflation target. Our experiment suggests that policy could be altered to increase the stability of interest rates, the exchange rate, inflation, or output, relative to the base case reaction function in FPS, but such a policy would incur some cost in terms of the variability of the other variables. In particular, we find that greater exchange rate stability would have relatively large costs in terms of the stability of all three other variables, primarily because monetary policy that leans too dramatically against exchange rate disturbances can create significant real economy variability. Relative to West (2003), we find larger costs of operating monetary policy to achieve exchange rate stabilisation. We attribute this finding to the relatively inertial inflation expectation process in FPS.
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Find related papers by JEL classification: E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies F47 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Forecasting and Simulation
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