The effect of growth on income of the poor is no different in poor countries than rich countries. International trade benefits the poor as it does the overall economy. The rise of the top decile of United States income earners in the 1990's is not representative of the world economy. Per Capita Income is Highly Correlated with Economic Freedom. The Heritage Foundation defines economic freedom in terms of trade, taxation, government regulation, foreign investment, and similar indicators.
Many indicators are hallmarks of a pro-globalization attitude.
Quality of Life and Income. Many measures of living quality are correlated with per capita income. Dasgupta et al, Environmental Regulation and Development, World Bank Working Paper 1448, 1995. Quality of Life and Growth. World Bank, The Quality of Growth, 2000.