The GDPs of all nations are from Summers, Robert and Heston, Alan, “A New List of Worldwide Comparisons of Real Solution and Cost Degree Estimates for a hundred thirty Nations, 1950–1985,” Review of Revenue and Wealth 34 (03 1988), pp. 1–26CrossRefGoogle Scholar. These estimates are determined by paying for https://mancur8859379.develop-blog.com/36821764/5-simple-techniques-for-mancur88