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Are Supply Networks Efficiently Resilient?

Author

Listed:
  • Agostino Capponi
  • Chuan Du
  • Joseph E. Stiglitz

Abstract

We show that supply networks are inefficiently, and insufficiently, resilient. Upstream firms can expand their production capacity to hedge against supply and demand shocks. But the social benefits of such investments are not internalized due to market power and market incompleteness. Upstream firms under-invest in capacity and resilience, passing-on the costs to down-stream firms, and drive trade excessively towards the spot markets. There is a wedge between the market solution and a constrained optimal benchmark, which persists even without rare and large shocks. Policies designed to incentivize capacity investment, reduce reliance on spot markets, and enhance competition ameliorate the externality.

Suggested Citation

  • Agostino Capponi & Chuan Du & Joseph E. Stiglitz, 2024. "Are Supply Networks Efficiently Resilient?," NBER Working Papers 32221, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:32221
    Note: IO
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    More about this item

    JEL classification:

    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
    • D25 - Microeconomics - - Production and Organizations - - - Intertemporal Firm Choice: Investment, Capacity, and Financing
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • E23 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Production
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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