Daron Acemo?lu|Jacob Moscona|James A. Robinson
State Capacity and American Technology: Evidence from the Nineteenth Century
Massachusetts Institute of Technology|Moscow Institute of Thermal Technology|Cabot (United States)|Harvard University|University of Chicago
robert gordons rise fall american economic growth compellingly shows technical innovation stimulated countrys institutions radically improved living standards citizens us conduct empirical investigation impact capacity us state proxied presence post offices innovation show strong association number post offices county patenting activity evidence suggests part story us innovation capacity reach us state