Stock Price Reversals and Overreaction to News Events: A Survey of Theory and Evidence

作者: Werner F. M. De Bondt

DOI: 10.1007/978-3-642-74741-0_3

关键词: Risk premiumFinancial economicsPessimismStock priceOptimismMarket efficiencyCapital asset pricing modelHeuristicsMonetary economicsEconomicsEarnings

摘要: Stock price reversals may be due to short-term overreactions news, waves of unjustified optimism or pessimism about future earnings, fear and normatively “excessive” risk premia, other causes. This paper reviews [1] the psychological literature on Bayesian decision-making intuitive prediction; [2] arguments that overreaction by individuals is likely matter at market level; [3] evidence long-term reversals. The research findings are compared with predictions standard theories asset pricing efficiency.

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