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Spillover effects and cost-sharing of carbon emissions in supply chain: Evidence from green factory certification policy in China

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  • Liu, Junqi
  • Chen, Jinyu
  • Li, Yangyang
  • Liu, Tianqi

Abstract

The synergistic governance within supply chain serves as a crucial driver for advancing sustainable economic development. Using China's Green Factory Certification (GFC) as a quasi-natural experiment, this study examines the spillover effects on carbon intensity across the supply chain. Based on a dataset of A-share listed companies from 2010 to 2023, our multi-period DID analysis reveals a distinct asymmetric feature: focal firms' GFC significantly reduces the carbon intensity of their suppliers, yet demonstrates no significant impact on clients. it remains robust across various tests. Mechanism analysis elucidates that GFC facilitates carbon reduction by stimulating green innovation of suppliers and improving supply-demand matching condition. Moreover, heterogeneity analysis demonstrates that these spillover effects are more pronounced for small-scale suppliers, and are further intensified by stringent environmental regulations and close geographical distance. Finally, further analysis proves suppliers can share the cost of focal firms while clients cannot.

Suggested Citation

  • Liu, Junqi & Chen, Jinyu & Li, Yangyang & Liu, Tianqi, 2026. "Spillover effects and cost-sharing of carbon emissions in supply chain: Evidence from green factory certification policy in China," Energy Economics, Elsevier, vol. 159(C).
    • Handle: RePEc:eee:eneeco:v:159:y:2026:i:c:s0140988326002525
    DOI: 10.1016/j.eneco.2026.109373
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