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Market Efficiency And The Problem Of Retail Flight, Alicia J. Davis

Articles

In 1950, 91 % of common stock in the U.S. was owned directly by individual inves­ tors. Today, that percentage stands at only 23%. The mass exodus of retail investors and their investment dollars has negative implications not only for capital formation and investor protection, but also for market efficiency. Individual investors are often assumed to be noise traders who distort stock prices and harm market functioning. Therefore, some argue that their withdrawal from the market should be of little concern; indeed, it should be celebrated. Recent empirical evidence calls this assertion of retail noise trading into doubt, and this …