The New Keynesian Cross

Florin Bilbiie

No 11989, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: The New Keynesian (NK) Cross is a graphical and analytical apparatus for heterogeneous-agent (HANK) models expressing key aggregate demand objects - MPC and multipliers - as functions of heterogeneity parameters. It affords analytical insights into monetary, fiscal, and forward guidance multipliers, and replicates the aggregate implications of quantitative HANK. The key parameter - the constrained agents - income elasticity to aggregate income - depends on fiscal redistribution: when it is larger (smaller) than one, the effects of policies and shocks are amplified (dampened). With uninsurable idiosyncratic uncertainty, this translates intertemporally - through compounding (discounting) in the aggregate Euler equation - into further amplification (dampening) of future shocks.

Keywords: Heterogeneity; Aggregate demand; Keynesian cross; Monetary policy; Fiscal multipliers; Redistribution; Forward guidance; Hank; Tank (search for similar items in EconPapers)
JEL-codes: E21 E31 E40 E44 E50 E52 E58 E60 E62 (search for similar items in EconPapers)
Date: 2017-04
New Economics Papers: this item is included in nep-dge, nep-mac and nep-mon
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (22)

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Journal Article: The New Keynesian cross (2020)
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