All the social insurance systems in Japan have faced number of difficulties in recent years mainly because, on the one hand both aging and number of children declining had accelerated and on the other hand Japan experienced stagnated economy after 1990. Among them the public pension system...

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This paper examines pension premiums and a consumption tax as ways to finance basic pensions. The union wage model suggests that labor wage taxation increases the rate of unemployment. Using the right-to-manage model, it becomes clear that an increase in premiums for labor wages actually leads...

The purpose of this paper is to develop an experimental model which links inter-institutional flow of funds to real macroeconomy and then to estimate quantitatively the effects of changing scale of postal savings or government financial institutions on GDP. The empirical analysis indicates that...