Social Security Privatization with Income-Mortality Correlation
AbstractWhile privatizing Social Security can improve labor supply incentives, it can also reduce risk sharing. We simulate a 50-percent privatization using an overlapping-generations model where heterogeneous agents with elastic labor supply face idiosyncratic earnings shocks and longevity uncertainty. When wage shocks are insurable, privatization produces about $30,100 of extra resources for each future household after all transitional losses have been paid. When wages are not insurable, privatization reduces efficiency by about $8,100 per future household. We check the robustness of these results to different model specifications as well as policy reforms and arrive at several surprising conclusions. First, privatization performs better in a closed economy, where interest rates decline with capital accumulation, than in an open economy. Second, privatization also performs better when an actuarially-fair private annuity market does not exist. Third, government matching of private contributions on a progressive basis is not very effective at restoring efficiency and can actually harm.
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Bibliographic InfoPaper provided by University of Michigan, Michigan Retirement Research Center in its series Working Papers with number wp140.
Length: 43 pages
Date of creation: Nov 2006
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This paper has been announced in the following NEP Reports:
- NEP-ALL-2007-04-28 (All new papers)
- NEP-DGE-2007-04-28 (Dynamic General Equilibrium)
- NEP-HEA-2007-04-28 (Health Economics)
- NEP-PBE-2007-04-28 (Public Economics)
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