Clearing Up the Effective Lower Bound Morass

Fuente: arXiv
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Autori principali: Ma, Haochun, Roulleau-Pasdeloup, Jordan
Natura: Preprint
Pubblicazione: 2025
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author Ma, Haochun
Roulleau-Pasdeloup, Jordan
author_facet Ma, Haochun
Roulleau-Pasdeloup, Jordan
contents Depending on the persistence of the underlying Markov chain shock, the standard New Keynesian model predicts starkly different conclusions at the Effective Lower Bound. We clear up this morass by using a truncated Markov chain. We prove that the expectations-driven trap à la Mertens & Ravn (2014) doesn't arise as an equilibrium outcome. In addition, the equilibrium under a truncated Markov chain is guaranteed to be unique, the effect of government spending is positive on consumption and does not switch signs but may grow unbounded \textemdash a puzzle.
format Preprint
id arxiv_https___arxiv_org_abs_2511_04782
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Clearing Up the Effective Lower Bound Morass
Ma, Haochun
Roulleau-Pasdeloup, Jordan
General Economics
Economics
Depending on the persistence of the underlying Markov chain shock, the standard New Keynesian model predicts starkly different conclusions at the Effective Lower Bound. We clear up this morass by using a truncated Markov chain. We prove that the expectations-driven trap à la Mertens & Ravn (2014) doesn't arise as an equilibrium outcome. In addition, the equilibrium under a truncated Markov chain is guaranteed to be unique, the effect of government spending is positive on consumption and does not switch signs but may grow unbounded \textemdash a puzzle.
title Clearing Up the Effective Lower Bound Morass
topic General Economics
Economics
url https://arxiv.org/abs/2511.04782