5Mumtaz, H., Oomen. O., and Wang Jian,2006, "Exchange Rate Pass-Through into UK Import Prices", Bank of England, Working Paper, No. 312.
6Van Ophem, H. 1993, "A Modified Switching Regression Model for Earnings Differentials between the Public and Private Sectors in the Netherlands", Review of Economics and Statistics, 75, pp. 215-224.
7Weisbrod, Burton A. 1983, “Nonprofit and Proprietary Sector Behavior: Wage Differentials among Lawyers”, Journal of Labor Economics, Vol. 1, No.3. ,Jul. ,pp.246-263.