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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
Migration and trade are often linked through ethnic networks boosting bilateral trade. This study uses migration to quantify the importance of Ricardian technology differences for international trade. The framework provides the first panel estimates connecting country-industry productivity and...
Persistent link: https://www.econbiz.de/10011568775
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
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
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
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