Positive Trend Inflation and Determinacy in a Medium-Sized New Keynesian Model
35 Pages Posted: 24 Aug 2018
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Positive Trend Inflation and Determinacy in a Medium-Sized New Keynesian Model
Date Written: June 26, 2018
Abstract
This paper studies the challenge that increasing the inflation target poses to equilibrium determinacy in a medium-sized New Keynesian model without indexation fitted to the Great Moderation era. For moderate targets of the inflation rate, such as 2 or 4 percent, the probability of determinacy is near one conditional on the monetary policy rule of the estimated model. However, this probability drops significantly conditional on model-free estimates of the monetary policy rule based on real-time data. The difference is driven by the larger response of the federal funds rate to the output gap associated with the latter estimates.
Keywords: trend inflation, determinacy, monetary policy
JEL Classification: E520, E300, C220
Suggested Citation: Suggested Citation