The labor supply and benefit claiming incentives provided by the early retirement rules of the Social Security Old Age benefits program are of growing importance as the Normal Retirement Age (NRA) increases to 67, the labor force participation of Older Americans rises, and a variety of reforms to the Social Security system are considered. Any…

Using a time series analysis to test the net empirical importance of the substitution and wealth effects associated with social security on the market of work of younger men, it was found that hours per week worked would have fallen off since 1936 without the present social security system. (Author)