.... These findings remain unchanged even after adding interactive terms to human capital, which are representatives of government spending as well as foreign direct investment. Nevertheless, the authors establish a positive and significant effect of the interactive term between urbanization and human capital...

... indicate that foreign aid, foreign direct investment, trade openness as well as corruption have a positive and statistically significant effect on IIQ. Government spending and inflation have a negative and statistically significant effect on IIQ, while GDP per capita growth has a negative but statistically...