Analysis on the mechanism of new industry creations

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We analyzed three mechanism of the new industry creation, i.e., university-industry linkage, inter-industry competition, market growth by new technology. The university-industry linkage is very week in Japan, although it is very important for the new industry creation. We suggested the ' concept "innovation agent" for the analysis of university-industry linkage. The gap exists between university and industry so that the innovation agent is needed for bridging the gap. The roles of innovation agent were made to be clear by the case studies.The existing research suggested that the innovation creating the new industry have been promoted by the inter-industry competition more than the inter-firm competition among same industry. We analyzed inter-industry competition of environment and ceramic industry which are the typical new industries in Japan. By case studies and quantitative analysis, we found that the inter-industry competition is very strong in these new industries and the technology fusion is also needed for the new industry creation.Research related to market growth mainly covers research done in the fields of economics and marketing and research related to diffusion theory. There has been a lot of research on market growth based on diffusion theory, but these models assume that their ceiling does not change from the start of the market growth to the end. When thinking about the market growth of a product, it is reasonable to think that the product's potential market size could be increased by new value being added by technological innovation of the product during the maturing process. Therefore, we proposed new market growth models and verified the validity of these models through a quantitative analysis.