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The Review of Economics and Statistics Vol. 98 No. 2 2016

Measuring Intertemporal Substitution in Consumption: Evidence from a VAT Increase in Japan

David Cashin1; Takashi Unayama2

1 Federal Reserve Board of Governors · 2 Hitotsubashi University and RIETI

open access

Abstract

We estimate the intertemporal elasticity of substitution in consumption (IES) using a preannounced increase in Japan’s consumption tax rate. Because this tax is highly comprehensive, the rate increase was announced prior to its implementation, and because other factors that affect the real interest rate were constant, the tax rate increase presents an ideal natural experiment to estimate the IES. A Japanese monthly household survey is exploited to accurately categorize nondurables, and our empirical specification addresses intratemporal substitution bias. We find that the IES is 0.21 and not significantly different from 0, but it is significantly less than 1.

DOI
10.1162/rest_a_00531
Volume
98
Issue
2
Pages
285-297
Language
en
Sources
openalex crossref