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Bookmaker Consensus and Agreement for the UEFA Champions League 2008/09

Leitner, Christoph and Zeileis, Achim and Hornik, Kurt (2009) Bookmaker Consensus and Agreement for the UEFA Champions League 2008/09. Research Report Series / Department of Statistics and Mathematics, 88. Department of Statistics and Mathematics, WU Vienna University of Economics and Business, Vienna.

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Abstract

Bookmakers odds are an easily available source of ``prospective" information that is thus often employed for forecasting the outcome of sports events. To investigate the statistical properties of bookmakers odds from a variety of bookmakers for a number of different potential outcomes of a sports event, a class of mixed-effects models is explored, providing information about both consensus and (dis)agreement across bookmakers. In an empirical study for the UEFA Champions League, the most prestigious football club competition in Europe, model selection yields a simple and intuitive model with team-specific means for capturing consensus and team-specific standard deviations reflecting agreement across bookmakers. The resulting consensus forecast performs well in practice, exhibiting high correlation with the actual tournament outcome. Furthermore, the teams' agreement can be shown to be strongly correlated with the predicted consensus and can thus be incorporated in a more parsimonious model for agreement while preserving the same consensus fit.

Item Type: Paper
Keywords: consensus / agreement / bookmakers odds / sports tournaments / Champions League
Divisions: Departments > Finance, Accounting and Statistics > Statistics and Mathematics
Depositing User: Repository Administrator
Date Deposited: 12 Aug 2009 14:07
Last Modified: 25 Feb 2017 19:41
URI: http://epub.wu.ac.at/id/eprint/900

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