We study the relationships between corporate R&D and three components of public science: knowledge, human capital, and … established firms, which account for more than three-quarters of business R&D, is affected by scientific knowledge produced by … innovation in firms. However, inventions from universities and public research institutes substitute for corporate inventions and …

from innovation. In this paper, we revisit that question using a nationally representative sample of firms over the period … of the economics of innovation. There are five main findings. First, while patenting firms are relatively uncommon in the … differences in the type of R&D or innovation produced by a firm. We also discuss the implications of these findings for innovation …

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

: inventors are "spreading out" over an expanding knowledge frontier. This finding is corroborated by declining rates of multiple …