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Stock Returns Volatility in an Emerging Market: The Pakistani Evidence

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Author Info
Husain, Fazal
UPPAL, Jamshed

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Abstract

This paper examines stock returns volatility in the Pakistani equity market. Using daily stock prices of 36 companies, 8 sector indices, and the general market index, the AutoRegressive Conditional Heteroscedasticity (ARCH) class of models was applied. The analyses suggest that one of the factors causing high serial dependence in stock returns in the Pakistani equity market is the presence of conditional heteroscedasticity or volatility in stock returns and that even after controlling for volatility the returns in the market are, in general, predictable. The results show GARCH(1,1) to be an appropriate representation of conditional variance implying that current volatility in the market is significantly affected by the past volatilities. There is also strong evidence of persistence in variance in returns implying that shocks to volatility continue for a long period. However, after accounting for the structural shift due to opening of the market, the persistence was found to decline significantly.

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File URL: http://mpra.ub.uni-muenchen.de/5270/
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Publisher Info
Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 5270.

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Date of creation: 1999
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Publication status: Published in Pakistan Journal of Applied Economics 1.15(1999): pp. 19-40
Handle: RePEc:pra:mprapa:5270

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Related research
Keywords: Stock Returns; Volatility; Pakistan; ARCH Models; Persistence;

Find related papers by JEL classification:
G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

  1. Baillie, Richard T. & DeGennaro, Ramon P., 1990. "Stock Returns and Volatility," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 25(02), pages 203-214, June. [Downloadable!]
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  2. French, Kenneth R. & Schwert, G. William & Stambaugh, Robert F., 1987. "Expected stock returns and volatility," Journal of Financial Economics, Elsevier, vol. 19(1), pages 3-29, September. [Downloadable!] (restricted)
  3. Ehsan Ahmed & J. Barkley Rosser, Jr., 1995. "Non-linear Speculative Bubbles in the Pakistani Stock Market," The Pakistan Development Review, Pakistan Institute of Development Economics, vol. 34(1), pages 25-41. [Downloadable!]
  4. 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. [Downloadable!] (restricted)
  5. Akgiray, Vedat, 1989. "Conditional Heteroscedasticity in Time Series of Stock Returns: Evidence and Forecasts," Journal of Business, University of Chicago Press, vol. 62(1), pages 55-80, January. [Downloadable!] (restricted)
  6. de Jong, Frank & Kemna, Angelien & Kloek, Teun, 1992. "A contribution to event study methodology with an application to the Dutch stock market," Journal of Banking & Finance, Elsevier, vol. 16(1), pages 11-36, February. [Downloadable!] (restricted)
  7. Poon, Ser-Huang & Taylor, Stephen J., 1992. "Stock returns and volatility: An empirical study of the UK stock market," Journal of Banking & Finance, Elsevier, vol. 16(1), pages 37-59, February. [Downloadable!] (restricted)
  8. Husain, Fazal & Forbes, Kevin, 1999. "Efficiency in a Thinly Traded Market: The Case of Pakistan," MPRA Paper 5355, University Library of Munich, Germany. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Abid Hameed & Hammad Ashraf, 2006. "Stock Market Volatility and Weak-form Efficiency: Evidence from an Emerging Market," The Pakistan Development Review, Pakistan Institute of Development Economics, vol. 45(4), pages 1029-1040. [Downloadable!]
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