Monetary policy, determinacy, and the natural rate hypothesis

Alexander Meyer-Gohde

No 2011-049, SFB 649 Discussion Papers from Humboldt University Berlin, Collaborative Research Center 649: Economic Risk

Abstract: Imposing the natural rate hypothesis (NRH) can dramatically alter the determinacy bounds on monetary policy by closing the output gap in the long run. I show that the hypothesis eliminates any role for the output gap in determinacy and renders the conditions for determinacy identical for all conforming supply equations. Specializing further to IS demand, determinacy depends only on the parameters in the interest rate rule and a pure forward or backward-looking inflation target is inconsistent with determinacy. Monetary policy that embodies the Taylor principle with respect to contemporaneous inflation delivers a determinate equilibrium in all models that satisfy the NRH.

Keywords: determinacy; natural rate hypothesis; Phillips curve; Taylor Principle (search for similar items in EconPapers)
JEL-codes: C62 E31 E43 E52 (search for similar items in EconPapers)
Date: 2011
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