Direct investment has accounted for about a quarter of total international capital outflows in the 1990s and appears to have grown, relative to other forms of international investment, since the 1970s. The United States was by far the major source of direct investment outflows in the early...

The concept and measurement of foreign direct investment have changed over time, and what is measured by balance of payments flows and stocks is quite different from what is implied by theories of direct investment. The industrial distribution of stocks of FDI, the most widely available measure,...