Acemoglu, Daron; Akcigit, Ufuk; Kerr, William R. - 2016
linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 … innovation for a particular technology class to build on, then that technology class innovates more. …