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International and interarea comparisons of income, output, and prices : [rev. papers from the CRIW Conference on International and Interarea Comparisons of Prices, Income, and Output held in Arlington, Va., Mar. 15 - 16, 1996]
Heston, Alan W., (1999)
Regional output differences in international perspective
Aten, Bettina, (2003)
What Can Be Learned About the Economies of China and India from Purchasing Power Comparisons?
Heston, Alan, (2008)