A compelling account of how crowd dynamics, or social avalanches, are central to cities and financial markets. Just as urban inhabitants are prone to being caug

Economics and the social sciences are, in fact, the ?hard? sciences, as Herbert Simon argued, because the complexity of the problems dealt with cannot simply be

A provocative call to rethink America's values in health care.

Every winter settlers of the U.S. and Canadian Mountain West could expect to lose dozens of lives to deadly avalanches. This constant threat to trappers, miners