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Measurement of the Cost-of-Living Index in the Easi Model: Evidence from the Japanese Expenditure Data

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  • Manami Ogura

Abstract

In this study, I measure the change in the cost-of-living index in Japan over approximately 20 years using newly developed demand system model. I find that the cost-of-living index, itself, was shifted upward by price changes, despite the existence of a protracted deflation in Japan. This implies an increase in consumer surplus along with changes in consumer expenditures, prices, and demographics. Further, I find that the substitution effect in the cost-of-living index is so large that the increase in consumer surplus depends on it. That is, consumers substitute greatly for cross-price goods in the face of price changes.

Suggested Citation

  • Manami Ogura, 2016. "Measurement of the Cost-of-Living Index in the Easi Model: Evidence from the Japanese Expenditure Data," Asian Journal of Economic Modelling, Asian Economic and Social Society, vol. 4(1), pages 28-46.
    • Handle: RePEc:asi:ajemod:v:4:y:2016:i:1:p:28-46:id:843
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