The New Keynesian Transmission Mechanism: A Heterogeneous-Agent Perspective

Tobias Broer, Niels-Jakob Harbo Hansen, Per Krusell and Erik Öberg
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Niels-Jakob Harbo Hansen: International Monetary Fund
Per Krusell: IIES - Institute for International Economic Studies, CEPR - Center for Economic Policy Research
Erik Öberg: Uppsala University, UCLS - Uppsala Center for Labor Studies

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Abstract: We present a tractable heterogeneous-agent version of the New Keynesian model that allows us to study the interaction between inequality and monetary policy. Though formulated as a precautionary-saving model à la Huggett–Aiyagari, its reduced form is a two-agent model with a highly concentrated wealth distribution. When prices are sticky and wages flexible, as in the textbook representative-agent model, monetary policy affects the distribution of consumption, but has no effect on output as workers choose not to change their hours worked in response to wage movements. This highlights a transmission mechanism of the textbook model that we find implausible: in response to a monetary stimulus, the representative worker's labor supply is greatly affected by the profits she receives. First, the lower profits induced by higher wages raise labor supply through a wealth effect and, secondly, the mere presence of profits reduces the negative income effect of a wage rise. When wages are rigid, in contrast, our model exhibits plausible responses of output and hours worked to monetary policy shocks.

Keywords: Monetary policy; HANK; Heterogeneous agents (search for similar items in EconPapers)
Date: 2020-01
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Citations: View citations in EconPapers (31)

Published in Review of Economic Studies, 2020, 87 (1), pp.77-101. ⟨10.1093/restud/rdy060⟩

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Related works:
Journal Article: The New Keynesian Transmission Mechanism: A Heterogeneous-Agent Perspective (2020)
Working Paper: The New Keynesian Transmission Mechanism: A Heterogeneous-Agent Perspective (2020)
Working Paper: The New Keynesian Transmission Mechanism: A Heterogenous-Agent Perspective (2016)
Working Paper: The New Keynesian Transmission Mechanism: A Heterogenous-Agent Perspective (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:pseptp:halshs-03058767

DOI: 10.1093/restud/rdy060

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