Portfolio efficiency of a dynamic capital asset pricing model |
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Authors: | Ralf Östermark |
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Affiliation: | 1. Department of Business Administration, ?bo Akademi University, Henriksgatan 7, SF-20500, ?bo, Finland
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Abstract: | In the present study we show that, based on equally weighted portfolios of continuously listed Finnish and Swedish stocks, aDynamic Model of Capital Asset Pricing (DCAPM) outperforms the static Capital Asset Pricing Model (CAPM) in the Super Criterion Test. It is demonstrated that the portfolio efficiency of the dynamic model is improved, when using a properly defined transition matrix in the Kalman Filtering Algorithm.The advice and encouragement of Professor Leif Nordberg (Department of Statistics, Åbo Akademi University) is gratefully acknowledged. I thank Jaana Aaltonen for her assistance in monitoring the computer programs. I also thank an anonymous referee for his valuable comments and suggestions for improving the quality of the paper. |
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Keywords: | Portfolio Efficiency Dynamic Capital Asset Pricing Nonstationary Processes |
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