The World Trade Center attack has shed light on the urgent need to implement preventing measures against terrorism and … to enhance cooperation in the global security system for all countries. However, international coordination cannot be … explain failure in coordination is that collective actions against terrorism may suffer from the well known free riding …

the firm's behavior. An experiment tests the theoretical predictions. In line with theory, Strict Liability and Negligence … firm to compensate potential victims. In contrast with theory, prevention rates absent liability are much higher and …