1. The purchasing power parity doctrine: a reappraisal;Balassa;Journal of Political Economy,1964
2. Performing Arts, the Economic Dilemma: A Study of Problems Common to Theater, Opera, Music, and Dance;Baumol,1966
3. Structural determinants of real exchange rates and national price levels: some empirical evidence;Bergstrand;American Economic Review,1991
4. Harrod on the classification of technological progress: the origin of a wild-goose chase;Besomi;BNL Quarterly Review,1999
5. Why are services cheaper in the poor countries?;Bhagwati;Economic Journal,1984