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Further Evidence on the Stationarity of Beta Coefficients

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  • Roenfeldt, Rodney L.
  • Griepentrog, Gary L.
  • Pflaum, Christopher C.

Abstract

Diversification and capital market theory in conjunction with investors' desire to quantify risk have caused the beta coefficient to receive considerable attention in recent finance literature. Results of empirical investigations of the stationarity of beta over time have been reported by Altman, Jacquillat, and Levasseur [1], Baesel [2], Blume [3], Levitz [5], and Levy [6]. Blume examined the longer-term stability of the beta coefficient, using monthly prices and successive seven-year periods, concluding that portfolio betas are very stable but individual security betas are highly unstable. Levy reported similar conclusions using weekly data and shorter-term estimates of beta; 52-week base periods; and 52-, 26-, and 13-week subsequent periods. Levitz also found portfolio betas to be stable using three-year base periods and one-year subsequent periods.

Suggested Citation

  • Roenfeldt, Rodney L. & Griepentrog, Gary L. & Pflaum, Christopher C., 1978. "Further Evidence on the Stationarity of Beta Coefficients," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 13(1), pages 117-121, March.
    • Handle: RePEc:cup:jfinqa:v:13:y:1978:i:01:p:117-121_00
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    Cited by:

    1. Varma, Jayanth R. & Barua, Samir K., 1988. "Estimation Errors and Time Varying Betas in Event Studies - A New Approach," IIMA Working Papers WP1988-07-01_00835, Indian Institute of Management Ahmedabad, Research and Publication Department.
    2. Yan Zeng & Josie McLaren, 2015. "The impact of large public sales of Government assets: empirical evidence from the Chinese stock markets on a gradual and offer-to-get approach," Review of Quantitative Finance and Accounting, Springer, vol. 45(1), pages 137-173, July.
    3. Thomas T. Cheng, 1986. "Standard setting and security returns: A time series analysis of FAS No. 8 events," Contemporary Accounting Research, John Wiley & Sons, vol. 3(1), pages 226-241, September.
    4. J. David Spiceland & Jerry E. Trapnell, 1983. "The Effect Of Market Conditions And Risk Classifications On Market Model Parameters," Journal of Financial Research, Southern Finance Association;Southwestern Finance Association, vol. 6(3), pages 217-222, September.
    5. Nawazish Mirza & Saima Shahid, 2008. "Size and Value Premium inKarachi Stock Exchange," Lahore Journal of Economics, Department of Economics, The Lahore School of Economics, vol. 13(2), pages 1-26, Jul-Dec.
    6. Nawazish Mirza & Ghalia Shabbir, 2005. "The Death of CAPM: A Critical Review," Lahore Journal of Economics, Department of Economics, The Lahore School of Economics, vol. 10(2), pages 35-54, Jul-Dec.
    7. Maik Eisenbeiss & Goran Kauermann & Willi Semmler, 2007. "Estimating Beta-Coefficients of German Stock Data: A Non-Parametric Approach," The European Journal of Finance, Taylor & Francis Journals, vol. 13(6), pages 503-522.
    8. Dimitrios Dadakas & Christos Karpetis & Athanasios Fassas & Erotokritos Varelas, 2016. "Sectoral Differences in the Choice of the Time Horizon during Estimation of the Unconditional Stock Beta," IJFS, MDPI, vol. 4(4), pages 1-13, December.
    9. Grandes, Martin & Panigo, Demian T. & Pasquini, Ricardo A., 2010. "On the estimation of the cost of equity in Latin America," Emerging Markets Review, Elsevier, vol. 11(4), pages 373-389, December.
    10. Jonathan Ross, 2023. "Does prior stock return correlation predict future stock return correlation?," SN Business & Economics, Springer, vol. 3(9), pages 1-15, September.
    11. Ayesha Afzal & Nawazish Mirza, 2011. "Size and Value Premium in International Portfolios: Evidence from 15 European Countries," Czech Journal of Economics and Finance (Finance a uver), Charles University Prague, Faculty of Social Sciences, vol. 61(2), pages 173-190, June.

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