International trade in capital goods has quantitatively important effects on economic development through capital formation and TFP. Capital goods trade enables poor countries to access more efficient technologies, leading to lower relative prices of capital goods and higher capital-output...

This study tests the importance of Ricardian technology differences for international trade. The empirical analysis has three comparative advantages: including emerging and advanced economies, isolating panel variation regarding the link between productivity and exports, and exploiting...

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...

This report assesses conceptually and empirically the extent to which the stringency of environmental regulations drives international trade in environmental goods. Many of the measures governments adopt to address issues such as local air and water pollution or GHG emissions take the form of...

This paper argues that there was enough buying and selling (emptio venditio) in the early Roman Empire to show that there were markets, and there were enough markets at the time that there was a market economy. I use three examples to make these points, one from my research, one from the...