We investigate the theoretical relationship between trade policy and growth. We use simple versions of some of the most common international trade models to investigate a number of specific mechanisms by which trade liberalization is thought to enhance growth or productivity: improvements in the...

We construct a model in which aggregate growth is driven by the continual entry of new firms that face barriers to entry that are exacerbated by financial frictions. We show that economies with more severe financial frictions have lower levels of output and consumption along the balanced growth...

We document new facts about the behavior of U.S. multinational firms and their affiliates regarding the product space in which they operate, the nature of their input-output relationships, and intra-firm trade flows. We use confidential data on U.S. multinational firms from the Bureau of...