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April 18, 2026PNAS NexusOpen Access

Supply chain network rewiring dynamics at the firm-level

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Authors

TRTobias ReischABAndrás BorsosSTStefan Thurner

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Overview

Analysis explores supply chain network changes, showcasing implications for economic resilience.

Key Points

  • The aim is to analyze the dynamics of supply chain networks at the firm level and their reorganization over time.
  • Utilized a dataset from Hungary covering 2014 to 2022 with over 711,000 companies
  • Reconstructed supply relations using monthly VAT data
  • Analyzed changes in supply-links and firm entries/exits annually
  • Developed a statistical network generation model to simulate SCN characteristics
  • Approximately 25% of firms exit the supply chain network annually
  • 28% of firms enter the network each year
  • 55% of supply-links in one year do not persist into the next
  • The average lifespan of a supply-link is about 13 months
  • The model accurately reproduces key characteristics of the Hungarian supply chain

Cite This Study

Reisch et al. (2026) studied this question.

synapsesocial.com/papers/69e3201440886becb653f220https://doi.org/10.1093/pnasnexus/pgag091
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Also Consider

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  1. 1Evolution and determinants of firm-level systemic risk in local production networks2025
  2. 2Topological features for the robustness of global supply chain networks2026
  3. 3Colocation of skill related suppliers -- Revisiting coagglomeration using firm-to-firm network data2024
  4. 4Inferring firm-level supply chain networks with realistic systemic risk from industry sector-level data2024
  5. 5Forecasting Systemic Reconfiguration in Concentrated Global Supply Networks for Economic Resilience: A Systems-Theoretic Hypergraph-Structured Temporal Decision-Support Framework2026