NBER Retirement Research Center Paper No. NB 04-06
Issued in September 2006
---- Acknowledgements -----
This research was supported by the U.S. Social Security Administration through grant #10-P-98363-1-01 to the National Bureau of Economic Research as part of the SSA Retirement Research Consortium. The research in this paper was conducted while Liebman was a Special Sworn Status researcher of the U.S. Census Bureau at the Boston Census Research Data Center (BRDC). This paper has been screened to insure that no confidential data are revealed. The findings and conclusions expressed are solely those of the authors and do not necessarily represent the views of SSA, the Census Bureau, any other agency of the Federal Government, or the NBER. Support for the Census research data centers from the NSF (award no. ITR-0427889) is gratefully acknowledged. We thank Erin Metcalf, Daniel Ramsey, and Sarena Goodman for excellent research assistance. We thank Leora Friedberg for helpful comments and discussions.