1. The Purchasing-Power Parity Doctrine: A Reappraisal;Balassa;Journal of Political Economy,1964
2. Betts, C. and T. Kehoe (2001) ‘Real Exchange Rate Movements and the Relative Price of Nontraded Goods’, working paper, University of Minnesota.
3. An Assessment of the Evidence on Purchasing Power Parity;Boucher Breuer;Journal of International Money and Finance,1994
4. Boucher Breuer, J. and S. Ganguly (2007) ‘Nominal Exchange Rate Volatility, Relative Price Volatility, and the Real Exchange Rate’, working paper, University of South Carolina.
5. The Role of Internal Relative Price Stability in Long Run Purchasing Power Parity;Boucher Breuer;Review of International Economics,1997