日本企業のイノベーションと成長性

概要

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Large Japanese firms have driven innovation in Japan without collaborating with other firms. However, the "ten-year nap", the depression of Japan, seems to be partially due to the structure. Generally, open structure where firms have network centrality, that is, the ability to collaborate with other firms, is important to acquire growth. Hence, the question whether Japanese firms with network centrality can acquire growth in the closed structure is worth investigating. This paper's objective is to answer the question by empirical data and its analyses. Specifically, this paper investigates whether the following variables affect the growth of Japanese firms: (1) innovation occurring in firms. (2) innovation occurring among firms, and (3) transactions. As a result of linear regression analyses, principal component analyses and graphical modeling analyses, the following findings have been obtained: (1) the number of employees and the number of patents and network centralities do not significantly affect the growth, (2) technological or scientific collaboration in large firms negatively affects the growth, and (3) the category of industry affects the growth.