Self-fulfilling recessions at the zero lower bound

•We highlight equilibrium multiplicity in monetary economies subject to a zero bound.•With endogenous propagation, depressed current conditions must lower expectations of future conditions.•A recession followed by convergence back to steady state may then be an equilibrium outcome.•Expansionary fisc...

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Published inJournal of monetary economics Vol. 115; pp. 213 - 232
Main Authors Brendon, Charles, Paustian, Matthias, Yates, Tony
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.11.2020
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Abstract •We highlight equilibrium multiplicity in monetary economies subject to a zero bound.•With endogenous propagation, depressed current conditions must lower expectations of future conditions.•A recession followed by convergence back to steady state may then be an equilibrium outcome.•Expansionary fiscal policy makes the recession more severe at the margin.•A commitment to a sufficiently large expansion can rule out multiplicity. We highlight an overlooked source of equilibrium multiplicity in monetary economies subject to a zero bound on nominal interest rates. In environments with sufficient endogenous propagation, depressed contemporary economic conditions must directly lower expectations of future output and inflation. A current recession followed by gradual convergence back to steady state may then be an equilibrium outcome, without any exogenous impulse. We present this mechanism heuristically in partial equilibrium, and in two computed examples of New Keynesian economies. Expansionary fiscal policy makes the recessionary equilibrium more severe at the margin, but commitment to a sufficiently large expansion can rule out multiplicity.
AbstractList •We highlight equilibrium multiplicity in monetary economies subject to a zero bound.•With endogenous propagation, depressed current conditions must lower expectations of future conditions.•A recession followed by convergence back to steady state may then be an equilibrium outcome.•Expansionary fiscal policy makes the recession more severe at the margin.•A commitment to a sufficiently large expansion can rule out multiplicity. We highlight an overlooked source of equilibrium multiplicity in monetary economies subject to a zero bound on nominal interest rates. In environments with sufficient endogenous propagation, depressed contemporary economic conditions must directly lower expectations of future output and inflation. A current recession followed by gradual convergence back to steady state may then be an equilibrium outcome, without any exogenous impulse. We present this mechanism heuristically in partial equilibrium, and in two computed examples of New Keynesian economies. Expansionary fiscal policy makes the recessionary equilibrium more severe at the margin, but commitment to a sufficiently large expansion can rule out multiplicity.
Author Paustian, Matthias
Brendon, Charles
Yates, Tony
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Keywords Equilibrium multiplicity
Fiscal policy
Zero lower bound
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Fiscal policy
Zero lower bound
Title Self-fulfilling recessions at the zero lower bound
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