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Mapping Japan's Manufacturing Supply Chains Through Firm-to-Firm Transaction Data

Author

Listed:
  • Ko Adachi

    (Bank of Japan)

  • Kosuke Aoki

    (Graduate School of Economics, University of Tokyo)

  • Yoshiyuki Kurachi

    (Bank of Japan)

  • Taiki Ono

    (Bank of Japan)

  • Akitoshi Toyoda

    (Bank of Japan)

Abstract

This study employs firm-to-firm transaction data to identify the multilayered and extensive supply chain structures in Japan's manufacturing sector and quantitatively analyze the characteristics of these supply chain structures. It also investigates the impacts of firm-level shocks, arising from both the supply and demand sides, on the overall manufacturing sector. The analysis reveals that automobile supply chains are exceptionally long and large-scale, with firms at the center of these chains exerting a larger influence on individual suppliers' production activities than in other industries. Furthermore, the findings indicate that supply constraints in products identified as potential bottlenecks can significantly dampen macroeconomic production. The results also highlight that holding inventory can serve as an effective measure to mitigate these impacts to a certain extent.

Suggested Citation

  • Ko Adachi & Kosuke Aoki & Yoshiyuki Kurachi & Taiki Ono & Akitoshi Toyoda, 2026. "Mapping Japan's Manufacturing Supply Chains Through Firm-to-Firm Transaction Data," Bank of Japan Working Paper Series 26-E-13, Bank of Japan.
    • Handle: RePEc:boj:bojwps:wp26e13
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    JEL classification:

    • C67 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Input-Output Models
    • L14 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Transactional Relationships; Contracts and Reputation
    • L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure

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