Showing 1 - 10 of 122
We report a puzzling pair of facts concerning the organization of science. The concentration of research output is declining at the department level but increasing at the individual level. For example, in evolutionary biology, over the period 1980 to 2000, the fraction of citation-weighted...
Persistent link: https://www.econbiz.de/10012459010
development of new energy technologies (Popp, 2017). Energy innovation tends to consist of a series of partially overlapping …
Persistent link: https://www.econbiz.de/10012481080
Countries with larger increases in the share of cardiovascular drug doses that contained post-1990 or post-1995 ingredients had smaller increases in the cardiovascular disease hospital discharge rate, controlling for the quantity of cardiovascular medications consumed per person, the use of...
Persistent link: https://www.econbiz.de/10012464639
We explore the determinants of research specialization across countries and its consequences for relative wages. Using a dynamic Ricardian model we examine the effects of faster international technology diffusion and lower trade barriers on the incentive to innovate. In the absence of any...
Persistent link: https://www.econbiz.de/10012466280
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 …
Persistent link: https://www.econbiz.de/10012457764
This chapter reviews academic research on the connections between agglomeration and innovation. We first describe the … conceptual distinctions between invention and innovation. We then describe how these factors are frequently measured in the data …, industrial diversity) that theoretical and empirical work link to innovation, and we discuss factors that help sustain these …
Persistent link: https://www.econbiz.de/10012458300
Government subsidies are often used to stimulate environment-friendly investment. We find that Chinese firms reduce green investment as the uncertainty of subsidies rises. This effect is identified from weather-driven fluctuations in air pollution that lead to fluctuations in subsidy...
Persistent link: https://www.econbiz.de/10014322788
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 …
Persistent link: https://www.econbiz.de/10014322815
reforms also redistribute innovation across industries in closer alignment to its distribution in the U.S., which we take to … increasing value-added growth rates across all industries, and by larger margins in industries with more innovation potential …
Persistent link: https://www.econbiz.de/10015056150
disaggregates "R" from "D" to study how US firms adjust their innovation investments in response to an external increase in funding …
Persistent link: https://www.econbiz.de/10014337755