Informed Trading, Investment, and Welfare
AbstractThis article studies the welfare economics of informed stock market trading. We analyze the effect of more informative prices on investment, given that this dependence will itself be reflected in equilibrium prices. While a higher incidence of informed speculation always increases firm value through a more informative trading process, the effect on agents' welfare depends on how revelation of information changes risk-sharing opportunities in the market. Greater revelation of information that agents wish to insure against reduces their hedging opportunities. On the other hand, early revelation of information that is uncorrelated with hedging needs allows agents to construct better hedges.
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Bibliographic InfoArticle provided by University of Chicago Press in its journal Journal of Business.
Volume (Year): 76 (2003)
Issue (Month): 3 (July)
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Web page: http://www.journals.uchicago.edu/JB/
Other versions of this item:
- Rohit Rahi & James Dow, 1998. "Informed Trading, Investment, and Welfare," FMG Discussion Papers dp292, Financial Markets Group.
- James Dow & Rohit Rahi, 1996. "Informed Trading, Investment and Welfare," Archive Working Papers 029, Birkbeck, Department of Economics, Mathematics & Statistics.
- Dow, J & Rahi, R, 1997. "Informed Trading, Investment, and Welfare," Economics Working Papers eco97/03, European University Institute.
- G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
- G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
- D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
- D60 - Microeconomics - - Welfare Economics - - - General
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