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...

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...

In this paper Professor Strahilevitz addresses the question of why individual members of peer-to-peer file-swapping networks such as Napster, Gnutella, and Kazaa consciously choose to share their unlicensed copies of copyrighted content with anonymous strangers despite the absence of economic...

Although the linear-in-means model is the workhorse model in empirical work on peer effects, its theoretical properties are understudied. In this paper, we investigate how social norms affect individual effort, aggregate effort, and welfare. While individual productivity always positively...

A fundamental question in social sciences is how trust emerges. We provide an answer which relies on the formation of social and economic relationships. We argue that behind trust lies the fact that individuals invest in connections taking into account the potential externalities networks...