6Rogers J H & Michael J. 1996, Haircuts or Hysteresis? Sources of Movements in Real Exchange Rates. Journal of International Economics 38: 339-360.
7Samuelson P A. 1964,Theoretical Notes on Trade Problems. Review of Economics and Statistics 46: 145-154.
8Yue C & Hua P. 2002, Does Comparative Advantage Explains Export Patterns in China? China Economic Review 13: 276-96.
9Zellner A. 1962, An Efficient Method of Estimating Seemingly Unrelated Regressions and Tests for Aggregation Bias. Journal of the American Statistical Association 57 : 348-368.
10Zhang Z Y. 1996,The Exchange Value of the Reminibi and China's Balance of Trade: An Empirical Study. NBER Working Paper No 5771, Cambridge, Massachusetts.
