1. The 4 Percent Rule is Not Safe in a Low-Yield World;Michael S Finke;Journal of Financial Planning,2013
2. Changing Pensions in Cross-Section and Panel Data: Analysis with Employer Provided Plan Descriptions;Alan L Gustman;Proceedings, National Tax Association,1998
3. Can 401(k) Accumulations Generate Significant Income for Future Retirees?;Sarah Holden;EBRI Issue Brief,2002