@article {36501, title = {"How does the Internet Affect Trading? Evidence from Investor Behavior in 401(k) Plans"}, journal = {Journal of Financial Economics}, volume = {64}, number = {3}, year = {2002}, pages = {397-421}, url = {http://www.nber.org/digest/feb01/w7878.html}, author = {James Choi and David Laibson and Andrew Metrick} }