Almost 30 years ago, researchers began a systematic study of innovation by end users and user firms. At that time, the … phenomenon was generally regarded as a minor oddity. Today, it is clear that innovation by users, generally openly shared, is a … technologies. It is becoming both an important rival to and an important feedstock for producer-centered innovation in many fields …

disaggregates "R" from "D" to study how US firms adjust their innovation investments in response to an external increase in funding …

literature, which focuses only on the level of investment in innovation, this model captures both the variety of research …

Contrary to most of the literature, which focuses only on the level of investment in innovation, this paper examines …