价值投资策略与资产定价——以巴基斯坦证券交易所为例

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引用次数: 0

摘要

资本资产定价模型(CAPM)仅衡量风险与收益之间的线性关系。然而,市场动态和异常需要从非线性的角度来理解风险与回报之间的关系。因此,本研究通过构建2001年至2018年期间900家上市公司的十分位投资组合,探索了研究资产价值异常的机会。采用广义矩法和Wald检验检验结果的稳健性。进一步分析采用风险调整CAPM、Fama French 3 Factor (FF3)和5 Factor (FF5)。实证结果表明,价值效应和负债权益比是关键因素,能够真实地解释CAPM无法解释的问题。研究结果表明,投资于高价值、高杠杆的公司会给投资者带来异常回报。在高价值公司做多,在低价值公司做空,与债股比异常相同。结果将有助于金融分析师制定投资策略,良好的多元化和高效的投资组合。这些结果也可以帮助金融市场上的金融公司和证券分析师在投资时做出适当的资本预算决策。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Value Investment Strategies and Asset Pricing: A Case of Pakistan Stock Exchange (PSX)
The Capital Asset Pricing Model (CAPM) measures only a linear relationship between the Risk and the Return. However, market dynamics and anomalies calls for understanding the relationship in between risk and return from non-linear perspective. Thus, current study explores an opportunity to study asset value anomalies by Constructing Decile Portfolio for the period starting from 2001 to 2018 with 900 firms listed. GMM (Generalized method of moment and Wald test are applied to see the robustness of results. For further analysis, Risk Adjusted CAPM, Fama French 3 Factor (FF3) and 5 Factor (FF5) are applied. Empirical results indicate that value effect and debt to equity ratio are essential factors and genuinely explain what CAPM fails to explain. The findings from the study recommend that investing in High value and high leverage firm will generate abnormal returns to investors. Taking long position in high value firm and short position in low value firms and same with debt to equity anomaly. The results will help financial analyst develop investment strategies for well diversified and efficient portfolios. These results can also be helpful to financial firm and security analyst in the financial market where they can take appropriate capital budget decisions while investing.
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