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Exploring Interleague Parity in North America

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  • Duane W. Rockerbie

Abstract

The relative standard deviation measure of league parity is persistently higher for the National Basketball Association (NBA) than for the other three major sports leagues in North America. This anomaly spans the last three decades and is not explained by differences in demographic and market characteristics. With a much greater number of scoring attempts in each game, basketball reduces the influence of random outcomes in the number of points scored per game and also season winning percentage. Our simulations demonstrate that lesser parity in the NBA is inherent in the rules of the game so that interleague comparisons must be interpreted carefully.

Suggested Citation

  • Duane W. Rockerbie, 2016. "Exploring Interleague Parity in North America," Journal of Sports Economics, , vol. 17(3), pages 286-301, April.
    • Handle: RePEc:sae:jospec:v:17:y:2016:i:3:p:286-301
    DOI: 10.1177/1527002514529795
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    References listed on IDEAS

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    Cited by:

    1. Young Hoon Lee & Yongdai Kim & Sara Kim, 2019. "A Bias-Corrected Estimator of Competitive Balance in Sports Leagues," Journal of Sports Economics, , vol. 20(4), pages 479-508, May.
    2. Ira Horowitz, 2018. "Competitive Balance in the NBA Playoffs," The American Economist, Sage Publications, vol. 63(2), pages 215-227, October.
    3. Brian M. Mills, 2017. "Policy Changes In Major League Baseball: Improved Agent Behavior And Ancillary Productivity Outcomes," Economic Inquiry, Western Economic Association International, vol. 55(2), pages 1104-1118, April.

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    Keywords

    parity; RSD; NBA; NHL; simulation;
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