Empirical studies on the firm networks and their impacts on the performances in Japan

2014 Fiscal Year Final Research Report

• Project/Area Number: 24530318
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Economic policy
• Research Institution: Senshu University
• Principal Investigator: KIM YoungGak 専修大学, 経済学部, 准教授 (50583811)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: 企業間ネットワーク / 生産性 / スピルオーバー / ビジネスグループ / R&D

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.

Free Research Field

経済政策、産業組織論