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Measuring Parity in Sports Leagues with Draws: Further Comments

  • P Dorian Owen

    ()

    (Otago)

This paper re-examines the calculation of the relative standard deviation (RSD) measure of competitive balance in leagues in which draws are possible outcomes. Some key conclusions emerging from the exchange between Cain and Haddock (2006) and Fort (2007) are reversed. There is no difference, for any given points assignment scheme, between the RSD for absolute points compared to percentages of points. However, variations in the points assignment that change the ratio of points for a win compared to a draw do result in different RSD values, although the numerical differences are minor.

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File URL: http://www.ncer.edu.au/papers/documents/WPNo59.pdf
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Paper provided by National Centre for Econometric Research in its series NCER Working Paper Series with number 59.

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Length: 17 pages
Date of creation: 13 Aug 2010
Date of revision:
Handle: RePEc:qut:auncer:2010_06
Contact details of provider: Phone: 07 3138 5066
Fax: 07 3138 1500
Web page: http://www.ncer.edu.au

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  1. Owen, P. Dorian, 2010. "Limitations of the relative standard deviation of win percentages for measuring competitive balance in sports leagues," Economics Letters, Elsevier, vol. 109(1), pages 38-41, October.
  2. Leif Brandes & Egon Franck, 2005. "Who made Who? An Empirical Analysis of Competitive Balance in European Soccer Leagues," Working Papers 0004, University of Zurich, Center for Research in Sports Administration (CRSA), revised 2006.
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