1. Ashenfelter, O., P. Levine, and D. Zimmerman. 2003. Statistics and econometrics. Hoboken, NJ: John Wiley and Sons.
2. Berloffa, G. 1997. Temporary and permanent changes in consumption growth. Economic Journal 107 (March): 345-58.
3. Dougherty, C. 2002. Introduction to econometrics. 2nd ed. New York: Oxford University Press.
4. Fama, E. F. 1975. Short-term interest rates as predictors of inflation. American Economic Review 65 (June): 269-82.
5. Greene, W. 2003. Econometric analysis. Upper Saddle River, NJ: Prentice-Hall.