The world economy has become more and more globalized as firms have organized production along global value chains. But more recently, globalization has stalled. This paper shows that higher uncertainty, in combination with better automation technologies, has likely contributed to that trend...

The paper investigates how barter can be used to finance imports and restore the creditworthiness of highly indebted countries when reputation as an enforcement mechanism for credit repayment does not work. The authors argue that payments in goods can be used to collateralize a trade credit and...

Presents a new research program that is transforming the study of international trade. Until a few years ago, models of international trade did not recognize the heterogeneity of firms and exporters, and could not provide good explanations of international production networks. Now such models...