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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. 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.
    2. 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.
    3. Turhan Korkmaz & Emrah I. Çevik & Elif Birkan & Nesrin ÖzataÇ, 2010. "Testing Capm using Markov Switching Model: The Case of Coal Firms," Economic Research-Ekonomska Istraživanja, Taylor & Francis Journals, vol. 23(2), pages 44-59, January.
    4. 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.
    5. Shyh-Wei Chen & Nai-Chuan Huang, 2007. "Estimates of the ICAPM with regime-switching betas: evidence from four pacific rim economies," Applied Financial Economics, Taylor & Francis Journals, vol. 17(4), pages 313-327.
    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. He, Zhen & O'Connor, Fergal & Thijssen, Jacco, 2018. "Is gold a Sometime Safe Haven or an Always Hedge for equity investors? A Markov-Switching CAPM approach for US and UK stock indices," International Review of Financial Analysis, Elsevier, vol. 60(C), pages 30-37.
    8. Geweke, John, 2007. "Interpretation and inference in mixture models: Simple MCMC works," Computational Statistics & Data Analysis, Elsevier, vol. 51(7), pages 3529-3550, April.
    9. Petros Messis & Antonis Alexandridis & Achilleas Zapranis, 2021. "Testing and comparing conditional risk‐return relationship with a new approach in the cross‐sectional framework," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(1), pages 218-240, January.
    10. 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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