coyle25_STRAFP via Getty Images_factory china STR/AFP via Getty Images

Rethinking Supply Chains

Today’s supply-chain policy challenges are a consequence of forgetting that other considerations besides economic efficiency matter, and that hands-on craft knowledge cannot be transmitted online. Unfortunately, problems that have been four decades in the making cannot be solved overnight.

CAMBRIDGE – Starting in the 1980s, transnational production enabled the expansion of global trade and low prices for goods, contributing significantly to economic growth. But the shocks caused by the COVID-19 pandemic and the Ukraine war have shown firms that the efficiency gains implied by the global division of labor – and just-in-time production – come at the cost of resilience. With global supply-chain bottlenecks unlikely to resolve themselves soon, firms have turned their attention to reshoring or at least “friend-shoring,” which seeks to combine closer geographic proximity with greater geopolitical peace of mind.

But turning re-establishing the shorter and more national (or regional) supply chains of a generation ago will be costly in terms of growth. For a hint of just how costly, look no further than post-Brexit Britain’s lack of any post-pandemic trade recovery. The United Kingdom’s independent Office for Budget Responsibility estimates that productivity will be 4% lower in the long run than it would have been had the UK retained its deep trading links with the European Union. The specialization enabled by globalization has brought significant benefits, as many economists (including me) have long argued.

Businesses will adjust to supply-chain shocks in different ways. Some will reshore. Some will find subcontractors in diverse locations. And some may opt for increased automation. The latter two strategies will carry a lower productivity penalty than reshoring, but will involve adjustment costs and new investment. All three options will roll back some of the globalization of the past four decades.