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Income Risk, Consumption Inequality, and Macroeconomy in Japan

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  • Tomoaki Yamada

Abstract

In this paper, using an OLG model with heterogeneous households, we investigate economic inequality in the recent decades in Japan. We decompose the causes of economic inequality into macroeconomic factors and a demographic factor, and demonstrate that the earning inequality in the model replicates the actual evolution of inequality in Japan. Based on a counterfactual simulation, we demonstrate that time-varying macroeconomic factors play an important role in the evolution of economic inequality. In particular, we show that the low growth rate of total factor productivity in the 1990s in Japan limited the dispersion of economic inequality.

Suggested Citation

  • Tomoaki Yamada, 2009. "Income Risk, Consumption Inequality, and Macroeconomy in Japan," Global COE Hi-Stat Discussion Paper Series gd08-041, Institute of Economic Research, Hitotsubashi University.
  • Handle: RePEc:hst:ghsdps:gd08-041
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    File URL: http://gcoe.ier.hit-u.ac.jp/research/discussion/2008/pdf/gd08-041.pdf
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    References listed on IDEAS

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    1. V. V. Chari & Patrick J. Kehoe & Ellen R. McGrattan, 2007. "Business Cycle Accounting," Econometrica, Econometric Society, vol. 75(3), pages 781-836, May.
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    More about this item

    Keywords

    Income risk; Consumption inequality; Population aging;

    JEL classification:

    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making

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