This study focuses on the structure and evolution of a drug importation network that operated from Montreal, Canada, and that was the target of an extensive two-year criminal investigation. The investigation was atypical in that it followed a seize-but-do-not-arrest strategy - while eleven drug...

Team Tennis competitions produce aggregate scores for teams, and thus team rankings, based on head-to-head matchups of individual team members. Similar scoring rules can be used to rank any two groups that must be compared on the basis of paired elements. We explore such rules in terms of their...

We characterize dynamic rational addiction to a harmful product by an informed individual who is connected to a network of users of the addictive product. The network harms the individual and imposes peer pressure on her to consume the addictive product. The network contributes to the state...