Consumer behavior in Japan and its structural change: Re-examination by sup-predictive test

Masafumi Kozuka
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Masafumi Kozuka: Research Institute for Economics & Business Administration (RIEB), Kobe University, Japan

No 183, Discussion Paper Series from Research Institute for Economics & Business Administration, Kobe University

Abstract: Intertemporal elasticity of substitution (IES) is an important macroeconomic parameter that relates the real interest rate to consumption and thereby aggregate demand. In this paper, we estimate IES in Japan following Ogaki and Reinhart's two-good model. And given that Japanese economy stagnated over the last decade, we perform the test for a possible break in the IES. Our empirical investigation shows that structural shift of IES occurred in 1997:Q1 and that the IES became insignificant. The results show that the consumption expenditure became less elastic to the call rate, and suggests that the effect of monetary policy to consumption diminished.

Keywords: Durable consumption goods; Non-durable consumption goods; Co-integration; Intertemporal and intratemporal elasticity of substitution; sup-predictive test (search for similar items in EconPapers)
JEL-codes: E20 E29 (search for similar items in EconPapers)
Pages: 25 pages
Date: 2004-05, Revised 2006-01
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Persistent link: https://EconPapers.repec.org/RePEc:kob:dpaper:183

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