| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
This study analyses the impact of inter-firm network on the firm performances, obtaining the empirical results as follows.
(1) The effect of R&D spillovers from other firms is attenuated by distance. (2) Spillovers from private and public R&D have remarkably declined since the late 1990s. (3) R&D spillovers through buyer-supplier relationship are greater than the technological and geographical R&D spillovers, and are magnified if they have business group ties. Spillovers from buyers and suppliers do not decay with distance. (4) Productivity differences between suppliers with single client and those with multiple clients have expanded in recent years. (5) Modularization in parts weakens the importance of inter-firm coordination in the automobile industry, enhances the openness of the buyer-supplier relationships, and increases the differentials between suppliers. (6) Subsidiaries with minority ownership in the business group are more innovative than the wholly owned.
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