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On the efficiency of trading intangible fixed assets in Major League Baseball

Author

Listed:
  • Pinheiro Ryan

    (School of Business, St. Bonaventure University, St. Bonaventure, NY 14778, USA)

  • Szymanski Stefan

    (School of Kinesiology, University of Michigan, Ann Arbor, MI 48109-2013, USA)

Abstract

This paper proposes novel approaches to measuring team productivity and evaluating trading efficiency in Major League Baseball (MLB) from 1995 to 2021 through an application of portfolio theory. The performance of individual players is measured using a structural approach relating player outcomes to team runs developed by Lindsey (1963. An investigation of strategies in baseball. Oper. Res. 11: 477–501). Using a portfolio theory framework, we treat MLB teams as a portfolio of players (assets), each of which can be defined by an expected contribution of runs per game and the variance of this measure. It is found that both the expected value and variance have a positive impact on team runs scored. Given our definition of teams characterized by their expected values and variances, we evaluate trading efficiency between teams given their pre-trade expected values and variances and the acquired player’s pre-trade expected value and variance. We find that trade efficiency has improved over our timeframe, consistent with the growth in data-driven decision making used in MLB front offices.

Suggested Citation

  • Pinheiro Ryan & Szymanski Stefan, 2025. "On the efficiency of trading intangible fixed assets in Major League Baseball," Journal of Quantitative Analysis in Sports, De Gruyter, vol. 21(1), pages 23-36.
    • Handle: RePEc:bpj:jqsprt:v:21:y:2025:i:1:p:23-36:n:1003
    DOI: 10.1515/jqas-2024-0063
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