Employees' Investment Decisions about Company Stock
We study the relationship between past returns on a company's stock and the level of investment in that stock by the participants in that company's 401(k) plan. Using data on 94,191 plan participants, we analyze several different decision points: the initial fraction of savings allocated to company stock, the changes in this fraction, and the reallocations of portfolio holdings across different asset classes. Like Benartzi (2001), we find that high past returns on company stock induce participants to allocate more of their contributions to company stock. We also find, however, that high returns on company stock have the opposite effect on reallocations of portfolio holdings, with high returns leading to shifts away from company stock and into other forms of equity. Overall, for company stock decisions, participants in our sample appear to be momentum investors when making contribution decisions and contrarian investors when making trading decisions.
|Date of creation:||Jan 2004|
|Date of revision:|
|Publication status:||published as Mitchell, Olivia S. and Stephen P. Utkus (eds.) Pension Design and Structure: New Lessons from Behavioral Finance. Oxford: Oxford University Press, 2004.|
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- James J. Choi & David Laibson & Brigitte C. Madrian & Andrew Metrick, 2002. "Defined Contribution Pensions: Plan Rules, Participant Choices, and the Path of Least Resistance," NBER Chapters, in: Tax Policy and the Economy, Volume 16, pages 67-114 National Bureau of Economic Research, Inc.
- Mark Grinblatt, 2001.
"What Makes Investors Trade?,"
Journal of Finance,
American Finance Association, vol. 56(2), pages 589-616, 04.
- James J. Choi & David Laibson & Brigitte C. Madrian & Andrew Metrick, 2002.
"Defined Contribution Pensions: Plan Rules, Participant Decisions, and the Path of Least Resistance,"
JCPR Working Papers
257, Northwestern University/University of Chicago Joint Center for Poverty Research.
- James J. Choi & David Laibson & Brigitte C. Madrian & Andrew Metrick, 2001. "Defined Contribution Pensions: Plan Rules, Participant Decisions, and the Path of Least Resistance," NBER Working Papers 8655, National Bureau of Economic Research, Inc.
- Choi, James J. & Laibson, David & Metrick, Andrew, 2002. "How does the Internet affect trading? Evidence from investor behavior in 401(k) plans," Journal of Financial Economics, Elsevier, vol. 64(3), pages 397-421, June.
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