NBER Retirement Research Center Paper No. NB 06-04
Issued in June 2007
---- Acknowledgements -----
This 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. Funding was also provided by the National Institute on Aging, through grant P01 AG00584. The findings and conclusions expressed are solely those of the authors and do not represent the views of SSA, any agency of the Federal Government or the NBER.