Household inflation heterogeneity and the relative price elasticity channel of monetary policy

Ulrike Neyer and Daniel Stempel

Economic Modelling, 2025, vol. 144, issue C

Abstract: This paper shows that considerable differences in inflation rates exist among households in the United States. Against this background, we theoretically show that a central bank that considers household inflation heterogeneity can stabilize overall inflation more effectively. Using a tractable, multi-sector New Keynesian model with a low- and a high-income household, we show that a central bank that reacts to the inflation rate of the household less affected by price changes can achieve lower deviations of all households’ inflation rates from their steady states. The reason is that a weaker central bank reaction dampens an adverse relative price elasticity channel of monetary policy, allowing for more favorable relative price adjustments. The strength of this channel depends on household heterogeneity.

Keywords: Monetary policy transmission; Inflation; Inequality; Household heterogeneity; New Keynesian models (search for similar items in EconPapers)
JEL-codes: E31 E32 E52 (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecmode:v:144:y:2025:i:c:s0264999324003377

DOI: 10.1016/j.econmod.2024.106980

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