Dramatic changes are occurring in the nature of international trade. Production processes increasingly involve a sequential, vertical trading chain stretching across many countries, with each country specializing in particular stages of a good's production sequence. We document a key aspect of...

Dramatic changes are occurring in the nature of international trade. Production processes increasingly involve a sequential, vertical trading chain stretching across many countries, with each country specializing in particular stages of a good's production sequence. We document a key aspect of...

The key feature of endogenous growth models is that they imply that permanent changes in government policy can have permanent effects on growth rates. In this paper, we develop and implement an empirical framework to test this implication. In a regression of growth rates on current and lagged...

Language is a fundamental tool for communication of ideas between people, and so is an essential input into production and trade. In general, a society will possess more production and consumption opportunities when all its members share a common language. Neighboring societies and communities...

The growth in the trade share of output is one of the most important features of the world economy since World War II. The growth is generally thought to have been generated by falling tariff barriers worldwide. This thinking, however, does not square with standard static and dynamic...