The Efficiency of Mozambique Soccer League: The Mocambola
Carlos Pestana Barros, Dercio Mandlaze, Scott Tainsky
Applied Economics, vol. 48, 2016, p. 2965-2971.

Cost Efficiency of French Rugby Clubs
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Applied Economics, vol. 46, 2014, p. 2721-2732.

Cost Efficiency of French Soccer League Teams
Carlos Pestana Barros, Nicolas Peypoch, Scott Tainsky
Applied Economics, vol. 46, 2014, p. 781-789.