A country's growth of output is identically equal to its ratio of investment to output and the productivity of investment. In "new" growth theory regressions, which include the investment ratio, all other included variables pick up why the productivity of investment differs between countries....

This paper examines the process of trade liberalisation in Mexico, particularly since the mid-1980s and the signing of the NAFTA agreement, and its impact on economic performance. The average growth of GDP of the Mexican economy since liberalisation has been only one-half the rate...