2U. S Department of Labor, Bureau of Labor Statistics: "Employer Costs for Employee Compensation, March 1992", Compensation & Working Conditions August 1992.
3Alan L. Gustman, Ohvia S. Mitchell, and Thomas L. Steinmeier: "The Role of Pensions in the Labor Market: A Survey of the Literature", Industrial and Labor Relations Review, Vol. 47, No. 3, April 1994.
4Zvi Bodie: "Pensions as Retirement Income Insurance", Journal of Economic Literature, Vol. 25, March 1990.
5Alan L. Gustman and Thomas L. Steinmeier: "Pension Portability and Labor Mobility, Evidence from the Survey of Income and Program Participation", Journal of Public Economies, Vol. 50 (1993).
6Riehard A. Ippolito: " Discount Rates, Imperfeet Information and 401 (k) Pensions", draft paper.Washington, D. C. : Pension Benefit Guaranty Corporation, November 1993
7Robin L. Lumsdaine, James H. Stock, and David A. Wise: "Three Models of Retirement, Computational Complexity versus Predictive Validity", in David A. Wise ed., Topics in the Economics of Aging (Chicago:University of Chicago Press, 1992).