Abstract

http://ssrn.com/abstract=237810
 
 

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Does the Internet Increase Trading? Evidence from Investor Behavior in 401(k) Plans


James J. Choi


Yale School of Management; National Bureau of Economic Research (NBER)

David Laibson


Harvard University - Department of Economics; National Bureau of Economic Research (NBER)

Andrew Metrick


Yale School of Management; National Bureau of Economic Research (NBER)

July 2000


Abstract:     
We analyze the impact of a Web-based trading channel on the trading activity in two corporate 401(k) plans. Using detailed data on about 100,000 participants, we compare trading growth in these firms to growth for a sample of firms without a Web channel. After 18 months of access, the inferred Web effect is very large: trading frequency doubles, and portfolio turnover rises by over 50 percent. We also document several patterns of Web-trading behavior. Young, male, and wealthy participants are more likely to try the Web channel. Frequent traders (before Web introduction) are less likely to try the Web. Participants who try the Web tend to stick with it. Web trades tend to be smaller than phone trades both in dollars and as a fraction of portfolio. "Short-term" trades make up a higher proportion of phone trades than of Web trades.

Number of Pages in PDF File: 47

JEL Classification: D0, G0, L0, O0

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Date posted: September 20, 2000  

Suggested Citation

Choi, James J. and Laibson, David and Metrick, Andrew, Does the Internet Increase Trading? Evidence from Investor Behavior in 401(k) Plans (July 2000). Available at SSRN: http://ssrn.com/abstract=237810 or http://dx.doi.org/10.2139/ssrn.237810

Contact Information

James J. Choi
Yale School of Management ( email )
135 Prospect Street
P.O. Box 208200
New Haven, CT 06520-8200
United States
National Bureau of Economic Research (NBER)
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
David I. Laibson
Harvard University - Department of Economics ( email )
Littauer Center
Room M-14
Cambridge, MA 02138
United States
617-496-3402 (Phone)
617-495-8570 (Fax)
National Bureau of Economic Research (NBER)
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
Andrew Metrick (Contact Author)
Yale School of Management ( email )
135 Prospect Street
P.O. Box 208200
New Haven, CT 06520-8200
United States
(203)-432-3069 (Phone)
HOME PAGE: http://mba.yale.edu/faculty/profiles/metrick.shtml

National Bureau of Economic Research (NBER) ( email )
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
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References:  18
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