$100 Bills on the Sidewalk: Suboptimal Saving in 401(k) Plans

James Choi, David Laibson, Brigitte Madrian

NBER Retirement Research Center Paper No. NB 04-08
Issued in July 2005

---- Acknowledgements -----

We thank Hewitt Associates for providing the data and for their help in designing, conducting, and processing the survey analyzed in this paper. We are particularly grateful to Lori Lucas, Yan Xu, and Mary Ann Armatys, some of our many contacts at Hewitt Associates, for their feedback on this project. Outside of Hewitt, we have benefited from the comments of Erik Hurst, Ebi Poweigha, and seminar participants at Berkeley, Harvard, and the NBER. We are indebted to John Beshears, Carlos Caro, Keith Ericson, Holly Ming, and Laura Serban for their excellent research assistance. Choi acknowledges financial support from a National Science Foundation Graduate Research Fellowship and the Mustard Seed Foundation. Choi, Laibson, and Madrian acknowledge individual and collective financial support from the National Institute on Aging (grants R01-AG021650 and T32-AG00186). The survey was supported by the U.S. Social Security Administration through grant #10-P-98 363-1 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 authors and do not represent the views of NIA, SSA, any other agency of the Federal Government, or the NB ER. Laibson also acknowledges financial support from the Sloan Foundation.

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