How do import tariffs and R&D subsidies help domestic firms compete globally? How do these policies affect aggregate growth and economic welfare? To answer these questions, we build a dynamic general equilibrium growth model where firm innovation endogenously determines the dynamics of...

This paper develops a model of banking across borders where banks differ in their efficiencies that can replicate key patterns in the data. More efficient banks are more likely to have assets, liabilities and affiliates abroad and have larger foreign operations. Banks are more likely to be...