LEARNING TO FORECAST AND CYCLICAL BEHAVIOR OF OUTPUT AND INFLATION

Klaus Adam

Macroeconomic Dynamics, 2005, vol. 9, issue 1, 1-27

Abstract: This paper considers a sticky price model with a cash-in-advance constraint where agents forecast inflation rates with the help of econometric models. Agents use least-squares learning to estimate two competing models of which one is consistent with rational expectations once learning is complete. When past performance governs the choice of forecast model, agents may prefer to use the inconsistent forecast model, which generates an equilibrium where forecasts are only constrained rational. Output and inflation then display persistence, inflation responds sluggishly to nominal disturbances, and the dynamic correlations of output and inflation match U.S. data surprisingly well. The rational expectations equilibrium instead has great difficulty in matching any of these features.

Date: 2005
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Related works:
Working Paper: Learning to Forecast and Cyclical Behavior of Output and Inflation (2003)
Working Paper: Learning to Forecast and Cyclical Behavior of Output and Inflation (2003)
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