Supply Network Formation and Fragility

Matthew Elliott, Benjamin Golub and Matthew V. Leduc

Papers from arXiv.org

Abstract: We model the production of complex goods in a large supply network. Each firm sources several essential inputs through relationships with other firms. Individual supply relationships are at risk of idiosyncratic failure, which threatens to disrupt production. To protect against this, firms multisource inputs and strategically invest to make relationships stronger, trading off the cost of investment against the benefits of increased robustness. A supply network is called fragile if aggregate output is very sensitive to small aggregate shocks. We show that supply networks of intermediate productivity are fragile in equilibrium, even though this is always inefficient. The endogenous configuration of supply networks provides a new channel for the powerful amplification of shocks.

Date: 2020-01, Revised 2023-02
New Economics Papers: this item is included in nep-gth and nep-net
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Citations: View citations in EconPapers (3)

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http://arxiv.org/pdf/2001.03853 Latest version (application/pdf)

Related works:
Journal Article: Supply Network Formation and Fragility (2022)
Working Paper: Supply Network Formation and Fragility (2022)
Working Paper: Supply Network Formation and Fragility (2022)
Working Paper: Supply Network Formtion and Fragility (2021)
Working Paper: Supply Network Formtion and Fragility (2021)
Working Paper: Supply Network Formation and Fragility (2020)
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Persistent link: https://EconPapers.repec.org/RePEc:arx:papers:2001.03853

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