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the abnormal returns and volatility changes of those component stocks. The empirical results show that, after the removal … volatility. To reduce the possible impact on volatility, the authorities may take the activity of margin transactions into …
Persistent link: https://www.econbiz.de/10008555948
I first introduce the early-stage and modern classical asset pricing and portfolio theories. These include: the capital asset pricing model (CAPM), the arbitrage pricing theory (APT), the consumption capital asset pricing model (CCAPM), the intertemporal capital asset pricing model (ICAPM), and...
Persistent link: https://www.econbiz.de/10015221381
-announcement volatility of stock returns is not significantly different from the post-announcement volatility. The results also indicate that …
Persistent link: https://www.econbiz.de/10008541454
Chinese abstract: 我们发现了半均衡定价方法,它先求解投资者的最优组合,这一步与均衡定价方法一致,但半均衡定价的第二步只使用市场出清条件的一部分而不是全体约束。据此,我们揭示了 CAPM...
Persistent link: https://www.econbiz.de/10013246008
Chinese Abstract: 风险教条认为资产价格是由某种风险决定的,而均衡定价认为是由供需均衡决定的。基于 CAPM...
Persistent link: https://www.econbiz.de/10013249211
Chinese Abstract: 如果每个投资者投入市场组合的金额增加一倍,那么市场组合的总市值将增加一倍。此时,市场组合的权重仍然保持不变吗?答案是否定的,作为半均衡定价的 CAPM...
Persistent link: https://www.econbiz.de/10013249212
Chinese Abstract: 我们求解出 CAPM 公式中基本证券的价格通解。进一步地,考虑市场出清的总市值条件,我们找出 CAPM 市场的均衡解,揭示均衡定价中的整体思维。我们用数值例子说明 CAPM 均衡不排除套利机会。此外,CAPM...
Persistent link: https://www.econbiz.de/10013249213
the incorrect practice of the estimation of cost of equity by beta. On the empirical study of CAPM, we emphasize the …
Persistent link: https://www.econbiz.de/10012853093
Persistent link: https://www.econbiz.de/10012860303