We propose a stylised dynamic model to understand the role of social networks in the phenomenon we call "globalization." This term refers to the process by which even agents who are geographically far apart come to interact, thus being able to overcome what would otherwise be a fast saturation...

We study how learning and influence co-evolve in a social network, eventually determining the pattern of social influence and distribution of individual beliefs prevailing in the population. To this end, we study a learning context that enriches substantially the classical model of DeGroot...