During the decade since 1973, the U.S. economy has become increasingly interdependent with the newly industrializing countries (NICs) among the developing countries. These countries have had high investment ratios to GNP, financed mainly by domestic saving, but also partly by foreign borrowing....

This paper presents and analyzes the data on the trends in United States international trade and investment since World War II. From this data we can perceive a shrinking United States fraction of manufacturing output and exports, a return to and strengthening of lines of comparative advantage,...