- Social security, self-control problems and unknown preference parameters
- Number of pages
- Tilburg: Netspar
- Netspar Discussion Papers
- Volume | Edition (Serie)
- DP 01/2009-001
- Document type
- Faculty of Economics and Business (FEB)
- Amsterdam School of Economics Research Institute (ASE-RI)
We develop a general equilibrium model with overlapping generations to show that Social Security
may increase welfare in dynamically efficient economies where agents are affected by
self-control problems à la Gul and Pesendorfer (2001, Econometrica 69, 1403). In calibrating
the model to the US economy, we make no assumption on agents’ preference parameters and
set them to match target levels of capital-output and consumption-output ratios. Our simulations
inform that Social Security improves welfare with degrees of temptation not below 11%.
We also find support for a program with a tax rate similar to the one in the real US economy.
JEL classification codes: H55; I38; D58.
Keywords: Social Security; temptation disutility model; self-control problems;
preference parameters; overlapping-generation models.
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