Though millions of US workers have 401(k) plans, few studies evaluate participant investment performance. Using data on over 1,000 401(k) plans and their participants, we identify key portfolio investment inefficiencies and attribute them to offered investment menus versus individual portfolio...

Some contend the US labor market will fail to adapt smoothly to an aging workforce, whereas others argue that employee pensions can and will play an important role in helping companies induce desired turnover patterns. This paper undertakes a longitudinal examination of pension retirement...