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Measuring Parity in Sports Leagues with Draws: Further Comments

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  • P. Dorian Owen

    ()
    (Department of Economics, University of Otago)

Abstract

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.business.otago.ac.nz/econ/research/discussionpapers/DP_1005.pdf
File Function: First version, 2010
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Bibliographic Info

Paper provided by University of Otago, Department of Economics in its series Working Papers with number 1005.

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Length: 17 pages
Date of creation: Jul 2010
Date of revision: Jul 2010
Handle: RePEc:otg:wpaper:1005

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Keywords: sports economics; competitive balance; relative standard deviation; idealized standard deviation; draws/ties;

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  1. P. Dorian Owen, 2009. "Limitations of the relative standard deviation of win percentages for measuring competitive balance in sports leagues," Working Papers 0908, University of Otago, Department of Economics, revised Mar 2010.
  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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