China's admission into the WTO in 2001 heralded a new era of globalization, increasing both import competition in domestic markets and foreign opportunities for US firms. In the aggregate, the average annual profitability of US public firms during the post globalization period (2003-2019)...

The share of US residents who were born in Latin America and the Caribbean plateaued recently, after a half century of rapid growth. Our review of the evidence on the US immigration wave from the region suggests that it bears many similarities to the major immigration waves of the 19th and early...

To spur entrepreneurship and economic growth, an increasing number of countries have introduced immigration policies that provide visas to skilled entrepreneurs. This paper investigates whether these policies influence the founding location choice of immigrant founders, by leveraging the...

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...

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...