After decades of rising global economic integration, the world economy is now fragmenting. To measure this phenomenon, we introduce an index of geopolitical fragmentation derived from various empirical indicators. This index is developed using a flexible dynamic factor model with time-varying...

How does rebel governance affect long-term development? We investigate the economic, social, and political consequences of temporary territorial control by guerrillas during the Salvadoran Civil War. During this period, these guerrillas displaced state authorities and promoted the creation of...

Two centuries ago, in most countries around the world, women were unable to vote, had no say over their own children or property, and could not obtain a divorce. Women have gradually gained rights in many areas of life, and this legal expansion has been closely intertwined with economic...

We study the evolution of belief systems that suppress productive effort. These include concerns about the envy of others, beliefs in the importance of luck for success, disdain for competitive effort, and traditional beliefs in witchcraft. We show that such demotivating beliefs can evolve when...

Innovation depends on exporting and, in particular, on scale and competition in export markets. We develop a theory featuring (1) quality-segmented markets, (2) step-by-step innovation that moves firms forward along the quality ladder, and (3) escape-the-competition motives for innovation. We...

Why are certain movies more successful in some markets than others? Are the entertainment products we consume reflective of our core values and beliefs? These questions drive our investigation into the relationship between a society's oral tradition and the financial success of films. We combine...

Are developing-world cities engines of opportunities for low-wage earners? In this study, we track a cohort of young low-income workers in Brazil for thirteen years to explore the contribution of factors such as industrial structure and skill segregation on upward income mobility. We find that...

In order to shed light on the biological and social drivers underlying the dramatic rise in cardiovascular disease risk in lower-income settings, links between these risks and body composition, behavioral and socioeconomic factors in Aceh, Indonesia, are contrasted with the United States. We...

This paper investigates the economic and social consequences of sovereign default on external debt. We focus on the crises' impact on real per capita GDP, infant mortality, life expectancy, poverty headcounts, and calorie supply per capita. After methodological exclusions, the sample covers 221...

Data on global trade as well as capital and labor flows indicate a slowdown, but not reversal, of globalization post the 2008-09 financial crisis. Yet profound changes in the policy environment and public sentiment in the largest economies over the past five years suggest the beginning of a new...