The consequences of online information dissemination on stock market liquidity and efficiency: Implications on African markets
From the Efficient Market Hypothesis, a market is efficient if security prices fully and correctly reflect all available information that is relevant for the stock’s pricing. This requires a medium of information dissemination and transaction ordering with both speed and accuracy. This paper chronologically presents arguments in favour of the internet as one such medium. The internet has also enabled the transmission and archiving of bulky information in a ready-to-use format. And abnormal returns are now quickly observed and arbitraged away to non-existence. Using correlation analysis, we find a positive relationship between the internet and some stock market development indicators.
|Date of creation:||Oct 2003|
|Date of revision:||Nov 2003|
|Publication status:||Published in African Finance Journal 2.5(2003): pp. 44-62|
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- Palani-Rajan Kadapakkam, 2000. "Reduction of Constraints on Arbitrage Trading and Market Efficiency: An Examination of Ex-Day Returns in Hong Kong after Introduction of Electronic Settlement," Journal of Finance, American Finance Association, vol. 55(6), pages 2841-2861, December.
- P. C. Kumar & George Tsetsekos, 1999. "The differentiation of 'emerging' equity markets," Applied Financial Economics, Taylor & Francis Journals, vol. 9(5), pages 443-453.
- Fama, Eugene F, 1970. "Efficient Capital Markets: A Review of Theory and Empirical Work," Journal of Finance, American Finance Association, vol. 25(2), pages 383-417, May.
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