What is the impact of greater trade/GDI and greater direct foreign investment/GDI ratios on income shares of various deciles in poor and rich countries? At low average income level, the share of the poor is less in countries that are more open to trade. As mean income level rises, the situation changes.

Dataset used in World Bank Policy Research Working Paper #2876, listed above. A final version (pdf file, 164kb) of the paper was published in World Bank Economic Review, No. 1, 2005, pp. 21-44.