The Effects of Investing Social Security Funds in the Stock Market When Fixed Costs Prevent Some Households from Holding Stocks
Abel, Andrew B. 2001. "The Effects of Investing Social Security Funds in the Stock Market When Fixed Costs Prevent Some Households from Holding Stocks."
American Economic Review,
With fixed costs of participating in the stock market, consumers with high income will participate in the stock market, but consumers with lower income will not participate. If a fully funded defined-contribution Social Security system tries to exploit the equity premium by selling a dollar of bonds per capita and buying a dollar of equity per capita, consumers who save but do not participate in the stock market will increase their consumption, thereby reducing saving and capital accumulation. Calibration of a general-equilibrium model indicates that this policy could reduce the aggregate capital stock substantially, by about 50 cents per capita.
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Abel, Andrew B. (U PA and NBER)
H55: Social Security and Public Pensions
D91: Intertemporal Consumer Choice; Life Cycle Models and Saving