Working longer is a powerful lever to enhance retirement security. Individuals should be able to extend the number of years they work because, on average, they are healthier, live longer, and face less physically demanding jobs. But averages are misleading when discrepancies in health, job...

Some observers believe that investing a portion of the Social Security Trust Fund in equities would strengthen its finances and improve the program's intergenerational risk-sharing. However, equity investments would also expose the program to greater financial risk and potentially greater...