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 converts a "new" growth theory regression equation into … neoclassical growth theory, and to identify the major determinants of differences in the productivity of investment using the …

and investment. However, for growth, higher inequality tends to retard growth in poor countries and encourage growth in …

and investment. However, for growth, higher inequality tends to retard growth in poor countries and encourage growth in …