Portfolio Choice, Trading, and Returns in a Large 401(K) Plan
By Pierluigi Balduzzi (Boston College), Julie R. Agnew (College of William and Mary) & Annika E. Sundén (Stockholm University) This paper examines portfolio choice, trading behavior, and realized rates of return of more than seven thousand 401(k) retirement accounts during the April 1994-August 1998 time period. The evidence on equity allocations is indicative of prudent behavior: on average our investors hold 40% of their 401(k) portfolios in stocks. In addition, patterns of stock allocations by marital status, age, and earnings...