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Tests of the CAPM with Time-Varying Covariances: A Multivariate GARCH Approach

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  • Ng, Lilian

Abstract

This paper examines an asset pricing model in which the Sharpe-Lintner capital asset pricing model and the zero-beta capital asset pricing model are special cases. The model allows the ratio of expected market risk premium to market variance, the conditional expected excess returns, and the risks to change over time. The results are found to be sensitive to the choice of the portfolio formation techniques. Significant time variability is shown in the conditional expected excess asset returns and risks and also in the reward-to-risk ratio. Copyright 1991 by American Finance Association.

Suggested Citation

  • Ng, Lilian, 1991. " Tests of the CAPM with Time-Varying Covariances: A Multivariate GARCH Approach," Journal of Finance, American Finance Association, vol. 46(4), pages 1507-1521, September.
  • Handle: RePEc:bla:jfinan:v:46:y:1991:i:4:p:1507-21
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    Cited by:

    1. Li, Yuming, 1998. "Expected stock returns, risk premiums and volatilities of economic factors1," Journal of Empirical Finance, Elsevier, vol. 5(2), pages 69-97, June.
    2. Su, EnDer, 2013. "Measuring and Testing Tail Dependence and Contagion Risk between Major Stock Markets," MPRA Paper 48444, University Library of Munich, Germany.
    3. Calzolari, Giorgio & Fiorentini, Gabriele, 1994. "Conditional heteroskedasticity in nonlinear simultaneous equations," MPRA Paper 24428, University Library of Munich, Germany.
    4. Su, EnDer, 2013. "Stock index hedge using trend and volatility regime switch model considering hedging cost," MPRA Paper 49190, University Library of Munich, Germany.
    5. Taufiq Choudhry & Hao Wu, 2008. "Forecasting ability of GARCH vs Kalman filter method: evidence from daily UK time-varying beta," Journal of Forecasting, John Wiley & Sons, Ltd., vol. 27(8), pages 670-689.
    6. Chang, Sanders S., 2013. "Can cross-country portfolio rebalancing give rise to forward bias in FX markets?," Journal of International Money and Finance, Elsevier, vol. 32(C), pages 1079-1096.
    7. Su, EnDer, 2014. "Measuring Contagion Risk in High Volatility State between Major Banks in Taiwan by Threshold Copula GARCH Model," MPRA Paper 58161, University Library of Munich, Germany.
    8. Lee, Yen-Hsien & Tucker, Alan L. & Wang, David K. & Pao, Hsin-Ting, 2014. "Global contagion of market sentiment during the US subprime crisis," Global Finance Journal, Elsevier, vol. 25(1), pages 17-26.
    9. Kanniainen, Juho, 2007. "Rothschild-Stiglitz's definition of increasing risk and the relationship between volatility and risk premium," Review of Financial Economics, Elsevier, vol. 16(4), pages 363-374.
    10. Young-Hye Cho & Robert F. Engle, 1999. "Time-Varying Betas and Asymmetric Effect of News: Empirical Analysis of Blue Chip Stocks," NBER Working Papers 7330, National Bureau of Economic Research, Inc.
    11. Menelaos Karanasos, "undated". "The Covariance Structure of Component and Multivariate Garch Models," Discussion Papers 99/12, Department of Economics, University of York.
    12. Menelaos Karanasos, "undated". "Some Exact Formulae for the Constant Correlation and Diagonal M - Garch Models," Discussion Papers 00/14, Department of Economics, University of York.
    13. Attiya Y. Javed, 2000. "Alternative Capital Asset Pricing Models: A Review of Theory and Evidence," PIDE-Working Papers 2000:179, Pakistan Institute of Development Economics.
    14. Murtazashvili, Irina & Vozlyublennaia, Nadia, 2012. "The role of data limitations, seasonality and frequency in asset pricing models," Journal of International Financial Markets, Institutions and Money, Elsevier, vol. 22(3), pages 555-574.
    15. repec:spt:apfiba:v:7:y:2017:i:5:f:7_5_6 is not listed on IDEAS
    16. Abhakorn, Pongrapeeporn & Smith, Peter N. & Wickens, Michael R., 2016. "Can stochastic discount factor models explain the cross-section of equity returns?," Review of Financial Economics, Elsevier, vol. 28(C), pages 56-68.
    17. de Goeij, P. C. & Marquering, W., 2004. "Modeling the conditional covariance between stock and bond returns : A multivariate GARCH approach," Other publications TiSEM 94fe5ada-715a-4339-b94c-f, Tilburg University, School of Economics and Management.
    18. Nilsson, Birger, 2002. "International Asset Pricing and the Benefits from World Market Diversification," Working Papers 2002:1, Lund University, Department of Economics.
    19. Su, EnDer, 2017. "Stock index hedging using a trend and volatility regime-switching model involving hedging cost," International Review of Economics & Finance, Elsevier, vol. 47(C), pages 233-254.
    20. Bollerslev, Tim & Chou, Ray Y. & Kroner, Kenneth F., 1992. "ARCH modeling in finance : A review of the theory and empirical evidence," Journal of Econometrics, Elsevier, vol. 52(1-2), pages 5-59.
    21. Tang, Gordon Y. N. & Shum, Wai Cheong, 2004. "The risk-return relations in the Singapore stock market," Pacific-Basin Finance Journal, Elsevier, vol. 12(2), pages 179-195, April.
    22. repec:kap:compec:v:50:y:2017:i:2:d:10.1007_s10614-016-9587-y is not listed on IDEAS
    23. Chevapatrakul, Thanaset, 2013. "Return sign forecasts based on conditional risk: Evidence from the UK stock market index," Journal of Banking & Finance, Elsevier, vol. 37(7), pages 2342-2353.

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