This paper studies the cross-country patterns of risky innovation and growth through the lens of international trade. It uses a simple theoretical framework of risky quality upgrading by firms under varying levels of financial development to derive two predictions. First, the mean rate of...

Countries that strike it rich when exploring for oil and gas often fail to see growth materialize. This paper shows that one way things can get messy is via squandering new wealth, based on future resource revenues, on arms imports. In the five years following a giant oil or gas discovery, arms...

Is the variation in bilateral trade flows across countries primarily due to differences in the number of exporting firms (the extensive margin) or in the average size of an exporter (the intensive margin)? And how does this affect the estimation and quantitative implications of the Melitz (2003)...