Medium‐Term Money Neutrality and the Effective Lower Bound

Gauti Eggertsson and Marc Giannoni

Journal of Money, Credit and Banking, 2020, vol. 52, issue S2, 561-600

Abstract: Conventional wisdom suggests that medium‐term money neutrality imposes strong limitations on the effects of monetary policy. The point of this paper is that models with medium‐ and long‐term money neutrality are prone to generate nonexistence of equilibria at the effective lower bound (ELB) on interest rates. Nonexistence is suggestive of sharp output contractions—so‐called contractionary black holes—at the ELB. Paradoxically, the case for expansionary monetary policy at the ELB is even stronger in models that feature near money neutrality. The results highlight the benefits of a monetary policy regime in which the central bank temporarily overshoots its inflation target once confronted by the ELB.

Date: 2020
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https://doi.org/10.1111/jmcb.12762

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Working Paper: Medium-Term Money Neutrality and the Effective Lower Bound (2020)
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Persistent link: https://EconPapers.repec.org/RePEc:wly:jmoncb:v:52:y:2020:i:s2:p:561-600

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