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Insider trading: regulation, securities markets, and welfare under risk aversion

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  • Estrada, Javier

Abstract

I analyze in this paper the impact of insider trading regulation (ITR) on a securities market and on social welfare. I argue below that the imposition of ITR forces a reallocation of wealth and risk that decreases social welfare. Three reasons explain this resulto First, ITR increases the volatility of securities prices, thus making the market more risky; second, it worsens the risk sharing among investors; and, third, it diverts resources from the productive sector of the economy. Further, although I formally establish conditions under which ITR makes society better off, largue that those conditions cannot be used to justify the imposition of this regulation.

Suggested Citation

  • Estrada, Javier, 1995. "Insider trading: regulation, securities markets, and welfare under risk aversion," UC3M Working papers. Economics 3901, Universidad Carlos III de Madrid. Departamento de Economía.
    • Handle: RePEc:cte:werepe:3901
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    1. repec:aei:rpbook:53302 is not listed on IDEAS
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    1. Estrada, Javier & Peña, Juan Ignacio, 1995. "Empirical evidence on the impact of European insider trading regulations," DEE - Working Papers. Business Economics. WB 7068, Universidad Carlos III de Madrid. Departamento de Economía de la Empresa.

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