Social Insurance: Connecting Theory to Data
---- Acknowledgements -----
We are grateful to Alan Auerbach, Liran Einav, Hilary Hoynes, Emmanuel Saez, and participants at the Handbook of Public Economics conference held at UC-Berkeley for helpful comments. Shelby Lin, Heather Sarsons,and Michael Stepner provided excellent research assistance. We gratefully acknowledge support from the NIA R01 AG032449 (Finkelstein) and the National Science Foundation SES 0645396 (Chetty). The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.