We find that most husbands claim Social Security before the ages that maximize the expected present value of their benefits. Although household benefits are only slightly reduced, the expected present value of widows’ benefits reduces by 17.7%, increasing their risk of poverty.

This chapter summarizes what is known about the labor supply of older American men, defined as those aged 55 years and over. The topic is of great interest because in the coming decades older individuals will comprise a much greater portion of the U.S. population, so the labor supply of older...