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Trusting the Stock Market

  • Luigi Guiso
  • Paola Sapienza
  • Luigi Zingales

We provide a new explanation to the limited stock market participation puzzle. In deciding whether to buy stocks, investors factor in the risk of being cheated. The perception of this risk is a function not only of the objective characteristics of the stock, but also of the subjective characteristics of the investor. Less trusting individuals are less likely to buy stock and, conditional on buying stock, they will buy less. The calibration of the model shows that this problem is sufficiently severe to account for the lack of participation of some of the richest investors in the United States as well as for differences in the rate of participation across countries. We also find evidence consistent with these propositions in Dutch and Italian micro data, as well as in cross country data.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 11648.

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Date of creation: Oct 2005
Date of revision:
Publication status: published as Luigi Guiso & Paola Sapienza & Luigi Zingales, 2008. "Trusting the Stock Market," Journal of Finance, American Finance Association, vol. 63(6), pages 2557-2600, December.
Handle: RePEc:nbr:nberwo:11648
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