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NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Publications by David Seif

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December 2008Labor Supply Responses to Marginal Social Security Benefits: Evidence from Discontinuities
with Jeffrey B. Liebman, Erzo F.P. Luttmer: w14540
A key question for Social Security reform is whether workers currently perceive the link on the margin between the Social Security taxes they pay and the Social Security benefits they will receive. We estimate the effects of the marginal Social Security benefits that accrue with additional earnings on three measures of labor supply: retirement, hours, and labor earnings. We develop a new approach to identifying these incentive effects by exploiting five provisions in the Social Security benefit rules that generate discontinuities in marginal benefits or non-linearities in marginal benefits that converge to discontinuities as uncertainty about the future is resolved. We find clear evidence that individuals approaching retirement (age 52 and older) respond to the Social Security tax-benefi...

Published: Liebman, Jeffrey B. & Luttmer, Erzo F.P. & Seif, David G., 2009. "Labor supply responses to marginal Social Security benefits: Evidence from discontinuities," Journal of Public Economics, Elsevier, vol. 93(11-12), pages 1208-1223, December. citation courtesy of

Contact and additional information for this authorAll NBER papers and publicationsNBER Working Papers only

 
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