NBER Retirement Research Center Paper No. NB 06-05
Issued in December 2006
---- Acknowledgements ----
Smetters' research was supported by the U.S. Social Security Administration through grant #10-P-98363-1- 03 to the National Bureau of Economic Research as part of the SSA Retirement Research Consortium. The opinions and conclusions expressed are solely those of the authors and do not represent the opinions or policy of SSA, any agency of the Federal Government, or the NBER. The authors thank Steve Goss, Olivia Mitchell, David Pattison, and George Pennacchi for many helpful comments, but maintain sole responsibility for any remaining errors and/or inaccuracies.