NBER Retirement Research Center Paper No. NB 10-03
Issued in September 2010
---- Acknowledgements -----
This research was supported by the U.S. Social Security Administration through grant #10-M-98363-1-01 to the National Bureau of Economic Research as part of the SSA Retirement Research Consortium. The findings and conclusions expressed are solely those of the author(s) and do not represent the views of SSA, any agency of the Federal Government, or the NBER. We thank James Choi, Brigitte Madrian and participants at the 2010 SSA Retirement Research Consortium Conference for valuable comments. We are grateful to the Institution for Social and Policy Studies for additional funding for this project.