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An analysis of social networks and minute-by-minute customer transactions during a run on an Indian bank has found that bank runs can spread through a community like a contagion. Duke University finance professor Manju Puri and co-author Rajkamal Iyer of the University of Amsterdam assembled a unique data set on the bank run and then employed epidemiological techniques to determine connections between bank depositors, using Google Earth to map the locations of their home addresses.
