We introduce a simple two-stage game of endogenous network formation and information sharing for reasoning about the … then we study how the network design and the utility specifications affect welfare. Surprisingly, we find that in general … "babblers" or "friends", irrespective of whether the network is unilateral or bilateral, in equilibrium, targeted information …

This paper studies the strategic network formation in a location-based social network. We build an empirical model of … on network formation. To cope with possible endogeneity issues, we use exogenous weather shocks as our instrumental … variables and find the empirical results are robust: network formation decisions are significantly affected by our proximity …

network of agents. In our model, agents are identically informed a priori and observe network neighbors’ actions as well as … observed payoffs and imitate observed actions. Our results also allow us to interpret critical mass and network brokerage …