The purpose of this research is to estimate the production function that contains the infrastructure related to the road (= the road capital) as a factor of production by the use of the regional industrial panel data in China, and to confirm whether the road capital increases the aggregate production exists. In addition, the stochastic frontier production function is estimated by using regional industrial panel data, and it is confirmed whether the road capital contributes to the efficiency measured. The results of this research are as follows. (1) It is confirmed that the road capital has a positive influence on the aggregate production by estimating the production function by the use of the regional industrial panel data. (2) In the industrial sector, the marginal productivity of the road capital has decreased in all regions from 1995 to 2000. Moreover, in China, the marginal productivity of the road capital in the east region is higher than in other regions. (3) It is confirmed that the road capital has a positive influence on the technical efficiency of the industrial sector in China as a result of the estimation of the stochastic frontier production function by the use of the regional panel data. (4) The technical efficiency of the industrial sector in China has risen in various places from 1995 to 2000, while geographical inequality of the technical efficiency has been reduced.

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This paper is concerned to explore occupational segregation and its impact on gender wage differentials in Japan and China based on the micro-data from Chinese 1999 urban household income survey and Japanese 2004 Keio University household income panel data survey, using decomposition models developed by Oaxaca and Brown et al. The results indicate that although social economic system of Japan and China is different, occupational segregation is a common factor of gender wage differentials in Japan and China. The main findings are as follows: (1) In Japan and China, there are gender differentials in occupation distribution, and the intra-occupation differentials affect the gender wage differentials. The crowding hypothesis is proved in Japan and China. (2) Although the intra-occupation differentials affect the gender wage differentials in both Japan and China, the intra-occupation differentials effect is greater in Japan than China. It shows that the problem of discrimination in the same occupation in Japan is more serious. These results suggest that for making a solution about the problem of occupational segregation and gender wage differentials in Japan and china, male and female employment equality law and an equal pay for equal work policy are important.

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China will realize industrialization through promoting export. In this paper, it is noted that if the substitution of import intermediate product and the secondary import has been achieved. This paper, by adopting the frame work of inputﾐoutput analysis, differentiates the intermediate product and final goods import. By focusing on the former, the mechanism of import with inter-industry affected effect is analyzed and the progress of China import institution is investigated. Firstly, the use structure including inter-industry affected effect on the import of intermediate product is investigated. Secondly, import incentive structure of final requirement on intermediate product is investigated. Thirdly, the factor analysis on import changes is carried out, where the general impact of the import of intermediate product and final requirement product, and the factors affecting its changing import structures are investigated quantitatively. At the same time, in order to understand Chinaﾕs characteristics more clearly, a comparatively analysis is made to Japanese industrialization of developing stage (1950’s) and industrialization maturity stage (1985-1995).

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