This paper characterizes the frequency domain properties of feedback control rules in linear systems in order to better understand how different rules affect outcomes frequency by frequency. We are especially concerned in understanding how reductions of variance at some frequencies induce increases in variance at others. Tradeoffs of this type are known in the control literature as design limits. Design limits are important in understanding the full range of effects of stabilization policies. We extend existing results to account for discrete time bivariate systems with rational expectations. Application is made to the evaluation of monetary policy rules.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
14357.
Length: Date of creation: Sep 2008 Date of revision: Handle: RePEc:nbr:nberwo:14357
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Find related papers by JEL classification: C6 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
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