The representation of a large number of students born outside the United States among the ranks of doctorate recipients from U.S. universities is one of the most significant transformations in U.S. graduate education and the international market for highly-trained workers in science and...

We review a recent body of theoretical literature that links the creation and diffusion of knowledge and technology to openness. We analyze two channels through which the spread of new ideas occurs: international trade and the activity of multinational firms (multinational production). The...

This paper provides a general and unified framework to study the role of production networks in international GDP comovement. We first derive an additive decomposition of bilateral GDP comovement into components capturing shock transmission and shock correlation. We quantify this decomposition...

Most international commerce is carried out by multinational firms, which use their foreign affiliates both to serve the market of the host country and to export to other markets outside the host country. In this paper, I examine the determinants of multinational firms' location and production...

How global are the gains from innovation? When firms operate production plants in multiple countries, technological improvements developed in one location may be shared with foreign sites for efficiency gain. We develop a model that accounts for such transfer, and apply it to measure private...

Internationalized production, that is, production in a country controlled by firms based in another country, grew from about 4.5% of world output in 1970 to over 7% in 1995. The importance of internationalized output fell substantially in developing countries until around 1990 but has been been...

The degree of internationalizaton of the enterprise or business sectors of many countries, as measured by the ratio of direct investment abroad to domestic wealth or assets, or of assets or employment abroad to that at home, has been growing over the last twenty years or more. The exception to...