The Effects of Investing Social Security Funds in the Stock Market When Fixed Costs Prevent Some Households from Holding Stocks

Andrew B. Abel

NBER Working Paper No. 7739*
Issued in June 2000
NBER Program(s):   AP    EFG    PE

---- Abstract -----

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.

*Published: Published as "The Effects of Uncertainty on Investment and the Expected Long-Run Capital Stock", JEDC, Vol. 7, no. 1 (1984): 39-54.

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