This paper analyzes the impact of the age structure of the population on Japan's household saving rate by applying cointegration techniques to time-series data for the 1955–1993 period. It finds that the ratio of minors to the working-age population and that of the aged to the working-age population both have a negative and significant impact on the household saving rate. This finding suggests that the life-cycle model applies even in a country such as Japan, in which this model is less likely to apply due to cultural peculiarities such as the greater prevalence of intergenerational transfers.

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