We develop a game-theoretic model of doping which focuses on the economic aspects of competitive sports. According to the model, incentives for athletes to use doping increase when (i) the efficiency of the drug test system is low, (ii) the number of competitions during one season is high, (iii)...

This article argues that the antidoping policy faces a credibility problem very similar to that identified for the conduct of the monetary policy. Using a theoretical framework a la Barro-Gordon in which athletes form rational expectations about authorities' effort against doping, the author...