CAMBRIDGE – Over the past three years, COVID-19 and the war in Ukraine exposed the vulnerabilities stemming from deep global economic integration. Now, governments and companies around the world have given high priority to shortening supply chains, rebuilding domestic production capacity, and diversifying suppliers. But these responses are motivated not only by pragmatic risk-management considerations but also by the goal of economic self-reliance, an aspiration that threatens to derail any stable restructuring........

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