We introduce a simple two-stage game of endogenous network formation and information sharing for reasoning about the … optimal design of social networks like Facebook or Google+. We distinguish between unilateral and bilateral connections and … then we study how the network design and the utility specifications affect welfare. Surprisingly, we find that in general …

methodological tools assessing network characteristics at the dyadic level are lacking for aggregated networks (such as the network …. Particularly, the question of the relationship between geography and networks has been debated. Yet, at the inter-regional level …, there is no study assessing the effect of networks on the the value of knowledge flows. This may come from the fact that …