Mispecification bootstrap tests of the capital asset pricing model

dc.contributor.advisorJin, Lei
dc.contributor.authorBo, Nhieu
dc.contributor.committeeMemberFriday, H. Swint
dc.contributor.committeeMemberSterba-Boatwright, Blair
dc.description.abstractThe development of the Capital Asset Pricing Model (CAPM) marks the birth of asset pricing framework in finance. The CAPM is a simple and powerful tool to describe the linear relationship between risk and expected return. According to the CAPM, all pricing errors should be jointly equal to zero. Many empirical studies were conducted to test the validity of the model in various stock markets. Traditional methods such as Black, Jensen, and Scholes (1972), Fama and MacBeth (1973) and cross-sectional regression have some limitations and encounter difficulties because they often involve estimation of the covariance matrix between all estimated price errors. It becomes even more difficult when the number of assets becomes larger. Our research is motivated by the objective to overcome the limitations of the traditional methods. In this study, we propose to use bootstrap methods which can capture the characteristics of the original data without any covariance estimation. The principle philosophy of bootstrap procedures is to treat the data sample as the population to draw bootstrap re-samples. The bootstrap methods comprise two general steps. First, we use historical monthly returns to estimate the parameters using both ordinary least square and the Cochrane-Orcutt method. Next, we implement model-based procedures to generate bootstrap samples. Following the idea of the block bootstrap, we consider all assets at a point in time as one block under different bootstrap schemes to capture the dependence structure between different assets. With the assumption of no serial correlation in the CAPM, we conduct the independent bootstrap over time scale. Furthermore, we introduce the block bootstrap with blocks over time to capture the temporal dependence. The bootstrap tests were applied to the CAPM in the US and Vietnam (VN) stock markets, providing some interesting results.en_US
dc.description.collegeCollege of Science and Engineeringen_US
dc.description.departmentMathematics and Statisticsen_US
dc.format.extent43 pagesen_US
dc.rightsThis material is made available for use in research, teaching, and private study, pursuant to U.S. Copyright law. The user assumes full responsibility for any use of the materials, including but not limited to, infringement of copyright and publication rights of reproduced materials. Any materials used should be fully credited with its source. All rights are reserved and retained regardless of current or future development or laws that may apply to fair use standards. Permission for publication of this material, in part or in full, must be secured with the author and/or publisher.en_US
dc.subjectblock bootstrapen_US
dc.subjectIndependent bootstrapen_US
dc.titleMispecification bootstrap tests of the capital asset pricing modelen_US
thesis.degree.grantorTexas A & M University--Corpus Christien_US
thesis.degree.nameMaster of Scienceen_US


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