1. The purchasing power parity doctrine: A reappraisal;Balassa;Journal of Political Economy,1964
2. Global monetarism and the monetary approach to the balance of payments: Comment;Branson;Brookings Papers on Economic Activity,1975
3. Monetary theory and controlled flexibility in the foreign exchanges;McKinnon,1971
4. The purchasing power parity theory of exchange rates: A review article;Officer;IMF Staff Papers,1976
5. Theoretical notes on trade problems;Samuelson;Review of Economics and Statistics,1964