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Revisiting intertemporal elasticity of substitution in a sticky price model

Juha Kilponen (), Jouko Vilmunen and Oskari Vähämaa

No 9/2021, Research Discussion Papers from Bank of Finland

Abstract: Macroeconomic models typically assume additively separable preferences where consumption enters the utility function in a logarithmic form. This restriction implies that consumption growth is highly sensitive to movements in real interest rates, which in turn implies an unrealistically steep demand curve and intertemporal trade-off. We re-estimate the stylized New Keynesian Model with US data using King-Plosser-Rebelo (1988) preferences with and without habits and show that the equilibrium real interest rate elasticity of output is in the range of 0.05 − 0.20 in the US. Such low real interest rate elasticity is better in line with the empirical consumption Euler equation literature and implies relatively weak transmission of monetary policy to output and inflation.

JEL-codes: E21 E32 E52 (search for similar items in EconPapers)
Date: 2021-06-09
New Economics Papers: this item is included in nep-dge, nep-mac and nep-upt
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Persistent link: https://EconPapers.repec.org/RePEc:bof:bofrdp:2021_009

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