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Tests of CAPM with Nonstationary Beta

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  • Huang, Ho-Chuan

Abstract

Conventional tests of capital asset pricing model usually assume that beta, a measure of the systematic risk, is stable over time. Nonetheless, empirical investigations generally find that beta, tends to be volatile over time. This paper formulates novel empirical models for testing the capital asset pricing model (CAPM) by allowing beta to be drawn from two distinct regimes, or to be time varying. The econometric method via the Gibbs sampler with data augmentation algorithm is applied to the data from Taiwan Stock Market to estimate and test the model. Copyright @ 2001 by John Wiley & Sons, Ltd. All rights reserved.

Suggested Citation

  • Huang, Ho-Chuan, 2001. "Tests of CAPM with Nonstationary Beta," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 6(3), pages 255-268, July.
  • Handle: RePEc:ijf:ijfiec:v:6:y:2001:i:3:p:255-68
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    Cited by:

    1. Korkmaz, Turhan & Cevik, Emrah Ismail & Birkan, Elif & Özataç, Nesrin, 2010. "Testing CAPM using Markov switching model: the case of coal firms," MPRA Paper 71479, University Library of Munich, Germany, revised 2010.
    2. Geweke, John, 2007. "Interpretation and inference in mixture models: Simple MCMC works," Computational Statistics & Data Analysis, Elsevier, vol. 51(7), pages 3529-3550, April.
    3. Jaramillo, Laura & Weber, Anke, 2013. "Bond yields in emerging economies: It matters what state you are in," Emerging Markets Review, Elsevier, vol. 17(C), pages 169-185.
    4. Geonwoo Kim & Hyuncheul Lim & Sungchul Lee, 2015. "On pricing options with stressed-beta in a reduced form model," Review of Derivatives Research, Springer, vol. 18(1), pages 29-50, April.
    5. Huang, Ho-Chuan (River), 2003. "Tests of regime-switching CAPM under price limits," International Review of Economics & Finance, Elsevier, vol. 12(3), pages 305-326.
    6. Korkmaz, Turhan & Cevik, Emrah Ismail & Gurkan, Serhan, 2010. "Testing the international capital asset pricing model with Markov switching model in emerging markets," MPRA Paper 71481, University Library of Munich, Germany, revised 2010.
    7. Ho-Chuan Huang & Wan-hsiu Cheng, 2005. "Tests of the CAPM under structural changes," International Economic Journal, Taylor & Francis Journals, vol. 19(4), pages 523-541.

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