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The limits of local laws in global supply chains: Extending governance or cutting ties?

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  • Koetter, Michael
  • Ludolph, Melina
  • Schub, Hendrik
  • Wöbbeking, Fabian

Abstract

We exploit an information shock related to the German Supply Chain Due Diligence Act and use detailed customs data to analyze how smaller, non-listed firms respond when expecting accountability for externalities beyond their organizational boundaries. Product-level regressions reveal a substantial reduction in imports from high ESG-risk production sectors. Adjustments occur mainly at the extensive margin, indicating that firms cut ties with high-risk suppliers. The product-level results translate into meaningful changes in overall international procurement for firms with Big Four auditors. Our findings suggest potential limits to mandates requiring firms to integrate broad sustainability considerations into operational decisions.

Suggested Citation

  • Koetter, Michael & Ludolph, Melina & Schub, Hendrik & Wöbbeking, Fabian, 2025. "The limits of local laws in global supply chains: Extending governance or cutting ties?," IWH Discussion Papers 14/2025, Halle Institute for Economic Research (IWH).
    • Handle: RePEc:zbw:iwhdps:325497
    DOI: 10.18717/dph80a-7k35
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    References listed on IDEAS

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    JEL classification:

    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • F18 - International Economics - - Trade - - - Trade and Environment
    • G38 - Financial Economics - - Corporate Finance and Governance - - - Government Policy and Regulation
    • M48 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Accounting - - - Government Policy and Regulation

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