, suppliers and technology specialists. We also estimate the contribution of each source to innovation in the US economy. Although … rate of innovation in the economy. Indeed, results from a multinomial logit model suggest that, were the outside … availability of innovation to be removed, the percentage of innovating firms in the U.S. manufacturing sector would drop from 18 …

The history of innovation in the chemical industry offers many insights for accelerating energy innovation. In this … chapter, we begin by laying out the early history of the chemical industry for an overview of the role innovation has played … coal to oil, and briefly analyze two government programs that have attempted to promote innovation: synthetic rubber and …

We analyze the effect of patenting on R&D with a model linking a firm's R&D effort with its decision to patent ….S. manufacturing sector, we estimate the increment to the value of an innovation realized by patenting it, and then analyze the effect … on R&D of changing that premium. Although patent protection is found to provide a positive premium on average in only a …

This paper documents a shift in the nature of innovation in the information technology (IT) industry. Using … comprehensive data on all IT patents granted by the USPTO from 1980-2002, we find strong evidence of a change in IT innovation that … is systematic, substantial, and increasingly dependent on software. This change in the nature of IT innovation has had …

Scientific knowledge is believed to be the wellspring of innovation. Historically, firms have also invested in research … to fuel innovation and growth. In this paper, we document a shift away from scientific research by large corporations … innovation. Large firms appear to value the golden eggs of science (as reflected in patents) but not the golden goose itself (the …