behavior in experimental contests with heterogeneous players who are able to mutually sabotage each other. We find that …'s identity is revealed sabotage decreases while retaliation motives prevail. Our results promise to be valuable when designing …

We study the differences in behavior of males and females in a two-player tournament with sabotage in a controlled lab … females do not differ in their performance in the real effort task but in their choice of sabotage. Males select significantly … more sabotage, leading to an, on average, higher winning probability but not to higher profits. If the gender of the …

We consider a two-stage contest in which players choose destructive efforts (sabotage) in stage 1 and productive … threshold. This result is consistent with contests in which participants increase effort in sabotage and dirty tricks more than …

, they also increased destructive effort (`sabotage') substantially, resulting in no net change in scoring. When ahead, teams … opponents. We also find that teams that engage more in sabotage activities depress the attendance at their rival's home stadiums …