Trade Networks and Natural Disasters: Diversion, not Destruction

Timothee Gigout and Mélina London

No 2023-02, JRC Working Papers in Economics and Finance from Joint Research Centre, European Commission

Abstract: We study how international trade networks react to natural disasters. We combine exhaustive firm-to-firm trade credit and disaster data and use a dynamic difference-in-differences identification strategy. We establish the causal effect of natural disasters abroad on the size, shape and quality of French exporters' international trade networks. We find evidence of large and persistent disruptions to international buyer-supplier relationships. This leads to a restructuring of the trade network of the largest French exporters and a change in trade finance sources for affected countries. We find strong and permanent negative effects on the trade credit sales of French suppliers to affected destinations. The largest firms are driving the response, both on the supplier and buyer side. Trade network restructuring towards unaffected destinations is higher for large multinationals trading more homogeneous products. This effect operates exclusively through a reduction in the number of buyers. This induces a negative shift in the distribution of the quality of buyers in the destination affected by the natural disaster.

Keywords: Firm Dynamics; Trade Networks; Natural Disaster, Granularity (search for similar items in EconPapers)
JEL-codes: E32 F14 F23 F44 L14 (search for similar items in EconPapers)
Pages: 65 pages
Date: 2023-02
New Economics Papers: this item is included in nep-env, nep-int, nep-net, nep-opm and nep-ure
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Persistent link: https://EconPapers.repec.org/RePEc:jrs:wpaper:202302

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