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| Format: | Preprint |
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2025
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| Online-Zugang: | https://arxiv.org/abs/2508.12315 |
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| _version_ | 1866915630510243840 |
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| author | O'Clery, Neave Radcliffe-Brown, Ben Spencer, Thomas Tarling-Hunter, Daniel |
| author_facet | O'Clery, Neave Radcliffe-Brown, Ben Spencer, Thomas Tarling-Hunter, Daniel |
| contents | Critical for policy-making and business operations, the study of global supply chains has been severely hampered by a lack of detailed data. Here we harness international firm-level transaction data covering 20m global firms, and 1 billion cross-border transactions, to infer key inputs for over 1200 products. Transforming this data to a directed network, we find that products are clustered into three large groups including textiles, chemicals and food, and machinery and metals. European industrial nations and China dominate critical intermediate products such as metals, common components and tools, while industrial complexity is highly correlated with embeddedness in densely connected supply chains. We find structural similarities with AIPNET, a product network generated via LLM queries, and strong linkages between products identified in manually-mapped electric vehicle battery and semiconductor supply chains. Finally, both forward and backward linkages are predictive of country-product diversification patterns, with stronger overall evidence for backward (upstream) linkages. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_12315 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Deciphering the global production network from cross-border firm transactions O'Clery, Neave Radcliffe-Brown, Ben Spencer, Thomas Tarling-Hunter, Daniel General Economics Economics Critical for policy-making and business operations, the study of global supply chains has been severely hampered by a lack of detailed data. Here we harness international firm-level transaction data covering 20m global firms, and 1 billion cross-border transactions, to infer key inputs for over 1200 products. Transforming this data to a directed network, we find that products are clustered into three large groups including textiles, chemicals and food, and machinery and metals. European industrial nations and China dominate critical intermediate products such as metals, common components and tools, while industrial complexity is highly correlated with embeddedness in densely connected supply chains. We find structural similarities with AIPNET, a product network generated via LLM queries, and strong linkages between products identified in manually-mapped electric vehicle battery and semiconductor supply chains. Finally, both forward and backward linkages are predictive of country-product diversification patterns, with stronger overall evidence for backward (upstream) linkages. |
| title | Deciphering the global production network from cross-border firm transactions |
| topic | General Economics Economics |
| url | https://arxiv.org/abs/2508.12315 |