Government open data and corporate supply chain concentration

Yufan Dai, Suping Kang and Wei Liu

International Review of Financial Analysis, 2025, vol. 102, issue C

Abstract: This study examines how the construction of government open data platforms influences corporate supply chain concentration. Utilizing data from A-share listed companies on the Shanghai and Shenzhen stock exchanges from 2001 to 2022, and leveraging the staggered implementation of local government open data platforms as a quasi-natural experiment, we apply a multiperiod difference-in-differences approach for empirical analysis. The findings reveal that government open data significantly reduces corporate supply chain concentration, primarily by mitigating information asymmetry and alleviating financial mismatches. Additionally, heterogeneity analysis indicates that this effect is more pronounced for firms lacking political connections, those with low audit quality, and those with low equity concentration.

Keywords: Government open data; Supply chain concentration; Customer concentration; Supplier concentration (search for similar items in EconPapers)
JEL-codes: D80 H54 M10 (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:finana:v:102:y:2025:i:c:s1057521925002315

DOI: 10.1016/j.irfa.2025.104144

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