Drawing upon evolutionary economics and resource-based approaches, the author utilises US patent data from 1930-1990 to …, historians of business and technology, and students and scholars of technology management …

This paper examines the effects of foreign- and native-born STEM graduates and non-STEM graduates on patent intensity … area patent intensity, but college graduates in non-STEM fields have a smaller and statistically insignificant effect on … native and foreign STEM graduates have statistically significant and economically large effects on innovation. Together these …

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 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …