This paper investigates the impact of hooliganism on attendance in Italian stadium and the effect of anti-violence measures adopted by Italian Government in 2007. Results first show that a structural break took place on Serie A average attendance in season 1979/80. The econometric investigation...

We interpret the emergence of Jihadist terrorism in the light of contest theory. Al Qaeda may be portrayed as a contest organizer, providing a ‘prize’ to the best terrorist group. Each group maximizes its probability of winning by launching attacks more destructive than previous ones...