5Helmuth Cremer, Pierre Pestieau. Reforming Our Pensionsystem: Is It a Demographic, Financial or Political Problem- [J]. EuropeanEconomic Review, 2000, 44.
6Andrew A. Samwick. New Evidence on Pensions, Social Security, and the Timing of Retirement [J] Journal of Public Economics, 1998, 70.
7Cremer, I. L. , P. Pestieau. The Double Dividend of Postponing Retirement [J]. International Tax and Public Finance, 2003, (10).
8Bovenberg, L. A. Financing Retirement in the European Union [J]. International Tax and Public Finance, 2003, (10).
9Breyer, F. , S. Hupfeld. On the Fainess of Early Retirement Provisions [J]. German Economic Review. 2010, (11).
10James, H. Stock, David, A. Wise. Pensions, the Option Value of Work and Retirement [J]. Econometrica, 1990, (5).
