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An Economical Business-Cycle Model

Pascal Michaillat and Emmanuel Saez

No 19777, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: In recent decades, advanced economies have experienced low and stable inflation and long periods of liquidity trap. We construct an alternative business-cycle model capturing these two features by adding two assumptions to a money-in-the-utility-function model: the labor market is subject to matching frictions, and real wealth enters the utility function. These assumptions modify the two core equations of the standard New Keynesian model. With matching frictions, we can analyze equilibria in which inflation is fixed and not determined by a forward-looking Phillips curve. With wealth in the utility, the Euler equation is modified and we can obtain steady-state equilibria with a liquidity trap, positive inflation, and labor market slack. The model is simple enough to inspect the mechanisms behind cyclical fluctuations and to study the effects of conventional and unconventional monetary and fiscal policies. As a byproduct, the model provides microfoundations for the classical IS-LM model. Finally, we show how directed search can be combined with costly price adjustments to generate a forward-looking Phillips curve and recover some insights from the New Keynesian model.

JEL-codes: E12 E13 E24 E41 E52 (search for similar items in EconPapers)
Date: 2014-01
New Economics Papers: this item is included in nep-mac and nep-upt
Note: EFG ME
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Citations: View citations in EconPapers (65)

Published as Pascal Michaillat & Emmanuel Saez, 2022. "An economical business-cycle model," Oxford Economic Papers, vol 74(2), pages 382-411.

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Related works:
Journal Article: An economical business-cycle model (2022) Downloads
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Working Paper: An Economical Business-Cycle Model (2014) Downloads
Working Paper: An economical business-cycle model (2014) Downloads
Working Paper: An Economical Business-Cycle Model (2014)
Working Paper: An Economical Business-Cycle Model (2014) Downloads
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