NBER Retirement Research Center Paper No. NB 11-03
Issued in September 2011
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This research was supported by the U.S. Social Security Administration through grant 5RRC08098400-03-00 to the National Bureau of Economic Research as part of the SSA Retirement Research Consortium. Funding was also provided through grant number P01 AG005842 from the National Institute on Aging. Poterba is a trustee of the College Retirement Equity Fund (CREF), a provider of retirement income services. 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, TIAA-CREF, or the NBER.