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Industry Concentration and the Cross-section of Stock Returns: Evidence from the UK

  • Nawar, Hashem

In this paper, I examine the relationship between industry concentration and the cross-section of stock returns in the London Stock Exchange between 1985 and 2010. Using Multifactor asset pricing theory, I test whether industry concentration is a new asset pricing factor in addition to conventional risk factors such as beta, firm size, book-to-market ratio, momentum, and leverage. I find that industry concentration is negatively related to the expected stock returns in all Fama and MacBeth cross-sectional regressions. In addition, the negative relationship between industry concentration and expected stock returns remain significantly negative after beta, size, book-to-market, momentum, and leverage are included, while beta is never significant. The results are robust to firm- and industry-level regressions and the formation of firms into 100 size-beta portfolios. The findings indicate that competitive industries earn, on average, higher risk-adjusted returns compared to concentrated industries which is consistent with Schumpeter’s concept of creative destruction.

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File URL: https://mpra.ub.uni-muenchen.de/28440/1/MPRA_paper_28440.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 28440.

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Date of creation: Mar 2010
Date of revision: Nov 2010
Handle: RePEc:pra:mprapa:28440
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  1. Daniel Chi-Hsiou Hung & Mark Shackleton & Xinzhong Xu, 2004. "CAPM, Higher Co-moment and Factor Models of UK Stock Returns," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 31(1-2), pages 87-112.
  2. Ross, Stephen A., 1976. "The arbitrage theory of capital asset pricing," Journal of Economic Theory, Elsevier, vol. 13(3), pages 341-360, December.
  3. Merton, Robert C, 1973. "An Intertemporal Capital Asset Pricing Model," Econometrica, Econometric Society, vol. 41(5), pages 867-87, September.
  4. Ian Tonks & Mark T Hon, 2002. "Mommentum in the UK Stock Market," FMG Discussion Papers dp405, Financial Markets Group.
  5. Fama, Eugene F. & French, Kenneth R., 1993. "Common risk factors in the returns on stocks and bonds," Journal of Financial Economics, Elsevier, vol. 33(1), pages 3-56, February.
  6. Banz, Rolf W., 1981. "The relationship between return and market value of common stocks," Journal of Financial Economics, Elsevier, vol. 9(1), pages 3-18, March.
  7. Mirela Malin & Madhu Veeraraghavan, 2004. "On the Robustness of the Fama and French Multifactor Model: Evidence from France, Germany, and the United Kingdom," International Journal of Business and Economics, College of Business, and College of Finance, Feng Chia University, Taichung, Taiwan, vol. 3(2), pages 155-176, August.
  8. Miles, David & Timmermann, Allan, 1996. "Variation in Expected Stock Returns: Evidence on the Pricing of Equities from a Cross-Section of UK Companies," Economica, London School of Economics and Political Science, vol. 63(251), pages 369-82, August.
  9. Weimin Lui & Norman Strong & Xinzhong Xu, 1999. "The Profitability of Momentum Investing," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 26(9-10), pages 1043-1091.
  10. Jegadeesh, Narasimhan & Titman, Sheridan, 1993. " Returns to Buying Winners and Selling Losers: Implications for Stock Market Efficiency," Journal of Finance, American Finance Association, vol. 48(1), pages 65-91, March.
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