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Buyers, suppliers, and R&D spillovers

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  • Rene Belderbos
  • Kyoji Fukao
  • Kenta Ikeuchi
  • Young Gak Kim
  • Hyeog Ug Kwon

Abstract

The role of buyers and suppliers has received little attention in the literature on research and development (R&D) spillovers and productivity, which has focused primarily on the moderating roles of technological and geographic proximity. In this study, we examine R&D spillovers that result from buyer and supplier relationships at the transaction level, utilizing a unique dataset identifying individual buyers and suppliers of Japanese manufacturing firms, matched with data from R&D surveys and the Census of Manufactures. In an analysis of more than 20,000 Japanese manufacturing plants, we find that R&D stocks of buyers and suppliers provide a substantial productivity performance premium over and above the effect of technologically and geographically proximate R&D stocks. These effects are magnified if the supplier and buyer have business group ties based on capital ownership relationships. While the effects of technologically proximate R&D decay with distance, this is not the case for spillovers from buyers and suppliers. Our results identify transaction-based spillovers as a key influence on productivity and social returns to R&D.

Suggested Citation

  • Rene Belderbos & Kyoji Fukao & Kenta Ikeuchi & Young Gak Kim & Hyeog Ug Kwon, 2015. "Buyers, suppliers, and R&D spillovers," Working Papers of Department of Management, Strategy and Innovation, Leuven 502593, KU Leuven, Faculty of Economics and Business (FEB), Department of Management, Strategy and Innovation, Leuven.
    • Handle: RePEc:ete:msiper:502593
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    2. Christina Poetzsch, 2017. "Technology transfer on a two-way street: R&D spillovers through intermediate input usage and supply," Review of World Economics (Weltwirtschaftliches Archiv), Springer;Institut für Weltwirtschaft (Kiel Institute for the World Economy), vol. 153(4), pages 735-751, November.
    3. Isaksson, Olov H.D. & Simeth, Markus & Seifert, Ralf W., 2016. "Knowledge spillovers in the supply chain: Evidence from the high tech sectors," Research Policy, Elsevier, vol. 45(3), pages 699-706.
    4. Todo, Yasuyuki & Matous, Petr & Inoue, Hiroyasu, 2016. "The strength of long ties and the weakness of strong ties: Knowledge diffusion through supply chain networks," Research Policy, Elsevier, vol. 45(9), pages 1890-1906.
    5. Yuxin Li & Derek Bosworth, 2020. "R&D spillovers in a supply chain and productivity performance in British firms," The Journal of Technology Transfer, Springer, vol. 45(1), pages 177-204, February.
    6. Tomohiko INUI & Naomi KODAMA, 2016. "The Effects of Japanese Customer Firms' Overseas Outsourcing on Supplier Firms' Performance," Discussion papers 16106, Research Institute of Economy, Trade and Industry (RIETI).
    7. Kyoji Fukao & YoungGak Kim & HyeogUg Kwon, 2021. "The Causes of Japan’s Economic Slowdown: An Analysis Based on the Japan Industrial Productivity Database," International Productivity Monitor, Centre for the Study of Living Standards, vol. 40, pages 56-88, Spring.

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