In the mid-2000s, the production of hearing aids shifted almost entirely to 3D printing. Using difference-in-differences and synthetic control methods, this paper examines the effects of this shift on trade flows. The analysis finds that trade increased roughly 60 percent following the...

The world economy has experienced four global recessions over the past seven decades: in 1975, 1982, 1991, and 2009. During each of these episodes, annual real per capita global gross domestic product contracted, and this contraction was accompanied by weakening of other key indicators of global...

This paper provides up-to-date characterization of the association between trade and GDP comovement - also called the trade comovement slope- for 150 countries from 1962 to 2011. The paper shows that trade is significantly linked to more GDP correlation, either directly through bilateral trade,...

Using a cross-section of more than 29,000 manufacturing firms in 64 developing and emerging countries from the World Bank's Enterprise Surveys, this paper assesses whether trading firms have a female labor share premium relative to non-trading firms. It focuses on four types of trading firms:...

The spread of global value chains (GVCs) has given rise to new statistical tools, the Inter-Country Input-Output tables and new analytical frameworks aimed at properly identifying production linkages between and within economies. However, several important questions remain unaddressed. This...

Global supply chains have come under unprecedented stress as a result of US-China trade tensions, the Covid-19 pandemic, and geopolitical shocks. We document shifts in the pattern of US participation in global value chains over the last four decades, in terms of partner countries, products, and...

We document three facts about the global diffusion of surveillance AI technology, and in particular, the role played by China. First, China has a comparative advantage in this technology. It is substantially more likely to export surveillance AI than other countries, and particularly so as...

Does leaving a currency union reduce international trade? We answer this question using a large annual panel data set covering 217 countries from 1948 through 1997. During this sample a large number of countries left currency unions; they experienced economically and statistically significant...

This paper surveys trends in both international economic integration and inequality over the past 150 years, as well as the links between them. In doing so, it distinguishes between (a) the different dimensions of globalization; and (b) between-country and within-country inequality. Theory...

This paper measures whether trade linkages are important determinants of a country's vulnerability to crises that originate elsewhere in the world. It explains that trade can transmit crises internationally via three distinct, and possible counteracting, channels: a competitiveness effect (when...