How does network structure impact behavior?
Simple infections, contagion - diffusion
Opinions are being formed, informations being processed - learning
Choices, decisions - games on networks
Diffusion over time and space
Initial adopters
Increase in speed
Eventual slowdown
Extent of diffusion?
How does it depend on the particulars of the process as well as the network?
Time patterns? S-shape?
Welfare analysis?