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...

If Russia has become a market economy, how does it function on a grassroots level? In addition to market mechanisms, what kinds of social and moral principles are at work in the new Russian economy? Is the 'Soviet legacy' still present in post-Soviet business practices? This book searches for...

A PDF version of this book is available for free in open access via the OAPEN Library platform, www.oapen.org. This book examines the significance of networks among the firms operative in the contemporary Russian software industry in the St. Petersburg region.

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...

In this paper we test the celebrated `Strength of weak ties' theory of Granovetter (1973). We test two hypotheses on the network structure in a data set of collaborating economists. While we find support for the hypothesis of transitivity of strong ties, we reject the hypothesis that weak ties...