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Risks and global supply chains: What we know and what we need to know

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  • Richard Baldwin
  • Rebecca Freeman
Abstract
Recent supply disruptions catapulted the issue of risk in global supply chains (GSCs) to the top of policy agendas and created the impression that shortages would have been less severe if GSCs were either shorter and more domestic, or more diversified. But is this right? We start our answer by reviewing studies that look at risks to and from GSCs, and how GSCs have recovered from past shocks. We then look at whether GSCs are too risky—starting with business research on how firms approach the cost-resiliency trade-off. We propose the risk-versus-reward framework from portfolio theory as a good way to evaluate whether anti-risk policy is justified. We then discuss how exposures to foreign shocks are measured and argue that exposure is higher than direct indicators imply. Finally, we consider the future of GSCs in the light of current policy proposals and advancing technology before pointing to the rich menu of topics for future research on the risk-GSC nexus.

Suggested Citation

  • Richard Baldwin & Rebecca Freeman, 2021. "Risks and global supply chains: What we know and what we need to know," NBER Working Papers 29444, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:29444
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    More about this item

    JEL classification:

    • F10 - International Economics - - Trade - - - General
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • F14 - International Economics - - Trade - - - Empirical Studies of Trade
    • F15 - International Economics - - Trade - - - Economic Integration
    • F23 - International Economics - - International Factor Movements and International Business - - - Multinational Firms; International Business

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