inversión de impulso

· Esquema Este artículo necesita ser reescrito para mejorar su relevancia para los psicólogos.. Por favor, ayude a mejorar esta página usted mismo si puede.. Momentum investing is buying stocks or other equities that have had high returns over the past three to twelve months, and selling those that have had poor returns over the same period. It has been reported that this strategy yields average returns of 1% per month for the following 3-12 Meses (Jegadeesh and Titman). While consensus exists about the validity of this claim, economists have trouble reconciling this phenomenon using efficient market theory. Two main hypotheses have been submitted to explain the effect in terms of an efficient market. En el primero, it is assumed that momentum investors bear significant risk for assuming this strategy, and thus the high returns are compensation for the risk. The second theory assumes that momentum investors are exploiting behavioral shortcomings in other investors, such as investor herding, investor over and underreaction, and belief perserverance. Seasonal effects may help to explain some of the reason for success in the momentum investing strategy. If a stock has performed poorly for months leading up to the end of the year, investors may decide to sell their holdings for tax purposes. Increased supply of shares in the market drive its price down, causing others to sell. Once the reason for tax selling is eliminated, the stock's price tends to recover. References Jegadeesh, Narasimhan and Titman, Sheridan, 1993, Returns to buying winners and selling losers: Implications for stock market efficiency, Journal of Finance 48, 65-91. Schwager, Jack D., 1992, The New Market Wizards: Conversations With America's Top Traders, John Wiley & Sons, Inc., NY, p. 224, ISBN 0-471-13236-5. Soros, Jorge, 1987, The Alchemy of Finance, Simon and Shuster, Nueva York. Tanous, Peter J., 1997, Investment Gurus, New York Institute of Finance, NJ, ISBN 0-7352-0069-6. Esta página utiliza contenido con licencia Creative Commons de Wikipedia (ver autores).

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