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The asymmetric information and price manipulation in stock market

机译:股票市场信息不对称与价格操纵

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摘要

The interaction between asymmetrically informed traders has been mostly investigated in theoretical frameworks. Not only there are relatively few empirical studies but, if any, the mostly focus on cross-sectional analysis and use very short samples. In this study, we blend theoretic with empirical, and propose a new signalling system of turning points in the economy to examine the extent of volatility of these markets relative to their tranquil periods. The signalling system proposed here is based on the Markov-switching model. Differing from the existing literatures, the study employs three phases and time-varying transition probability, and captures the states of volatility. After examining the causality between high volatility and foreign portfolio investment (FPI) by using moving average and generalized autoregressive conditional heteroskedasticity, the portfolio's profitability of FPI and individual investors in different periods are compared. Finally, the investigation of FPI's leading effect is studied.
机译:不对称消息灵通的交易者之间的互动已在理论框架中进行了研究。不仅有相对较少的实证研究,而且,如果有的话,大多数研究都集中在横截面分析上,并使用非常短的样本。在这项研究中,我们将理论与经验相结合,并提出了一个新的经济转折点信号系统,以检验这些市场相对于其平静时期的波动程度。这里提出的信令系统是基于马尔可夫交换模型的。与现有文献不同,该研究采用三个阶段和随时间变化的过渡概率,并捕获了波动状态。在使用移动平均和广义自回归条件异方差分析高波动性与外国证券投资(FPI)之间的因果关系之后,比较了FPI和个人投资者在不同时期的证券投资组合的获利能力。最后,对FPI的主导作用进行了研究。

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