The optimal weights on indicators in models with partial information about the state of the economy and forward-looking variables are derived and interpreted, both for equilibria under discretion and under commitment. The private sector is assumed to have information about the state of the economy that the policymaker does not possess. Certainty-equivalence is shown to apply, in the sense that optimal policy reactions to optimally estimated states of the economy are independent of the degree of uncertainty. The usual separation principle does not hold, since the estimation of the state of the economy is not independent of optimization and is in general quite complex. We present a general characterization of optimal filtering and control in settings of this kind, and discuss an application of our methods to the problem of the optimal use of 'real-time' macroeconomic data in the conduct of monetary policy.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
8255.
Length: Date of creation: Apr 2001 Date of revision: Handle: RePEc:nbr:nberwo:8255
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Find related papers by JEL classification: E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation E47 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Forecasting and Simulation
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