Neo-Fisherian Policies and Liquidity Traps

Florin Bilbiie

American Economic Journal: Macroeconomics, 2022, vol. 14, issue 4, 378-403

Abstract: Liquidity traps can be either fundamental or confidence-driven. In a simple, unified New Keynesian framework, I provide the analytical condition for the latter's prevalence: enough shock persistence and endogenous intertemporal amplification of future ("news") shocks, making income effects dominate substitution effects. The same condition allows neo-Fisherian effects (expansionary-inflationary interest rate increases), which are thus inherent in confidence traps. Several monetary and fiscal policies (forward guidance, interest rate increases, public spending, labor tax cuts) have diametrically opposed effects according to the trap variety. This duality provides testable implications to disentangle between trap types; that is essential, for optimal policies are also conflicting across trap varieties.

JEL-codes: E12 E31 E32 E43 E52 E62 (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (13)

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Working Paper: Neo-Fisherian Policies and Liquidity Traps (2018)
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DOI: 10.1257/mac.20200119

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