
What made the Medici family so influential?
Simplifying Complexity
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How Do You Know if Your Bank Is Successful in Some Places?
Bank went door-to-door in villages to find people who were good information spreaders. Found that the most important predictor of whether a bank would be successful was if they ended up talking to highly diffusion central people, like teachers and shopkeepers. In one village this teacher was very well connected; in another he wasn't so well connected.
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