In the new Keynesian model of endogenous stabilization governments have objectives with respect to macroeconomic performance, but are constrained by an augmented Phillips curve. Because they react quickly to inflation shocks, governments can lean against the macroeconomic wind. We develop an econometric test of this characterization of the political-economic equilibrium using the Kalman filter. Applying this methodology to a variety of quadratic social welfare functions, we find that an inflation target functional form is consistent with US history. We also find it more likely that expectations of inflation are adaptive, rather than rational.
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Find related papers by JEL classification: E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination E63 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Comparative or Joint Analysis of Fiscal and Monetary Policy; Stabilization
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