In Foreign Affairs, Branko Milanovic says advanced societies must not allow economics, particularly the fortunes of financial markets, to blind them to the fact that the most important role economic policy can play now is to keep social bonds strong under this extraordinary pressure.
The world faces the prospect of a profound shift: a return to natural — which is to say, self-sufficient — economy. That shift is the very opposite of globalization. While globalization entails a division of labor among disparate economies, a return to natural economy means that nations would move toward self-sufficiency. That movement is not inevitable. If national governments can control or overcome the current crisis within the next six months or a year, the world would likely return to the path of globalization, even if some of the assumptions that undergirded it (for example, very taut production chains with just-in-time deliveries) might have to be revised.
But if the crisis continues, globalization could unravel. The longer the crisis lasts, and the longer obstacles to the free flow of people, goods, and capital are in place, the more that state of affairs will come to seem normal. Special interests will form to sustain it, and the continuing fear of another epidemic may motivate calls for national self-sufficiency. In this sense, economic interests and legitimate health worries could dovetail. Even a seemingly small requirement — for instance, that everyone who enters a country needs to present, in addition to a passport and a visa, a health certificate — would constitute an obstacle to the return to the old globalized way, given how many millions of people would normally travel.
That process of unraveling might be, in its essence, similar to the unraveling of the global ecumene that happened with the disintegration of the Western Roman Empire into a multitude of self-sufficient demesnes between the fourth and the sixth centuries. In the resulting economy, trade was used simply to exchange surplus goods for other types of surplus produced by other demesnes, rather than to spur specialized production for an unknown buyer. As F. W. Walbank wrote in The Decline of the Roman Empire in the West, “Over the whole [disintegrating] Empire there was a gradual reversion to small-scale, hand-to-mouth craftsmanship, producing for the local market and for specific orders in the vicinity.”
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