Drugs, guns, and targeted competition

Targeted Competition

We consider a dynamic (differential) game with three players competing against each other. In each period each player can allocate his resources so as to direct his competition towards particular rivals – we call such competition targeted. We show that if the players are myopic, the weaker players eventually lose the game to their strongest rival. If instead the players are sufficiently non-myo...

Metal drugs become targeted

Fighting cancer with targeted drugs

Drugs Targeted at Hiv – Successes and Resistance

Guns, Privacy, and Crime

We investigate the impact of an information shock – the public exposure of the names and addresses of holders of handgun carry permits – on criminals’ propensity to commit crimes. In December 2008, a Memphis, TN newspaper published a searchable online database of names, zip codes, and ages of Tennessee handgun carry permit holders. Once news of the database publication spread, an intense and ac...