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Measuring substitution bias in international comparisons based on additive purchasing power parity methods
Hill, Robert J., (2000)
Categorisation of additive purchasing power parities
Cuthbert, James R., (1999)
International comparisons, additive PPPs and the Gerschenkron effect
Hill, Robert, (1995)
Consistency in aggregation principle for multilateral comparisons of purchasing power parities and real products
Khamis, Salem Hanna, (1996)
A new system of index numbers for national and international purposes
Khamis, Salem H., (1972)
On aggregation methods for international comparisons
Khamis, Salem H., (1984)