6Balassa,Bela, 1964. The Purchasing Power Par-ity Doctrine: A Reappraisal, Journal of Political Econo-my vol. 72, No.6, pp.584 - 596.
7Cline,William R. and John Williamson, 2007,Estimates of the Equilibrium Exchange Rate of theRenminbi: Is There a Consensus and, If Not, Why Not?,Paper presented at the Conference on China's ExchangeRate Policy Peterson Institute, Washington DC.
8Cline,William R. and John Williamson, 2010,Estimates of Fundamental Equilibrium Exchange Rates,Peterson Institute for International Economics PolicyBrief No. 10-15.
9Krugman,Paul, 2006, Will There Be A DollarCrisis.
10Lane,Philip R. and Gian Maria Milesi-Ferretti,1999, The External Wealth of Nations: Measures of For-eign Assets and Liabilities for Industrial and DevelopingCountries, IMF Working paper 99/125.