We investigate whether the levels of social capital in U.S. counties, as captured by strength of civic norms and density of social networks in the counties, are systematically related to tax avoidance activities of corporations with headquarters located in the counties. We find strong negative...

We study the evolution of interest about climate change between different actors of the population, and how the interest of those actors affect one another. We first document the evolution individually, and then provide a model of cross influences between them, that we then estimate with a VAR....

We study a dynamic model of opinion formation in social networks. In our model, boundedly rational agents update opinions by averaging over their neighbors' expressed opinions, but may misrepresent their own opinion by conforming or counter-conforming with their neighbors. We show that an...

Online social referral incentive systems help attract new customers to commercial websites by leveraging existing customers’ social networks. Designing an appropriate referral incentive system allows websites to increase their customer base and enhance sales. This study integrates ultimatum...

I present a model of conformism in social networks that incorporates both peer effects and self-selection. I find that equilibrium behaviors are linked through the Laplacian matrix of the equilibrium network. I show that conformism has positive social value and that social welfare can be bounded...

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.