Although there is a large and rapidly growing literature on the determinants of regional variation in new firm formation, relatively little is known about the interrelation between the characteristics of start-up firms and urban structure. It is only recently that scholars of urban economics...

This paper examines the effects of foreign- and native-born STEM graduates and non-STEM graduates on patent intensity in U.S. metropolitan areas. I find that both native and foreign-born STEM graduates significantly increase metropolitan area patent intensity, but college graduates in non-STEM...

This paper examines the effects of foreign- and native-born STEM graduates and non-STEM graduates on patent intensity in U.S. metropolitan areas. I find that both native and foreign-born STEM graduates significantly increase metropolitan area patent intensity, but college graduates in non-STEM...

During World War II, the U.S. government's Office of Scientific Research and Development (OSRD) undertook one of the largest public investments in applied R&D in U.S. history, entering into thousands of contracts with firms and universities to perform research essential to the war effort. Using...

This paper looks at the genesis of innovation in the United States from a territorial perspective. The analysis aims to disentangle the impact of local R&D expenditure from other contextual conditions supportive of the process of innovation. Particular emphasis is devoted to the role of...

The literature suggests that knowledge production intensity depends upon the geographic proximity of knowledge and information sources. On the other hand, there have been arguments that the rapid development of communication technologies would reduce the importance of proximity to the production...

High growth and progressive regions possess a culture that promotes innovation. Innovation depends on a region’s ability to use its own existing knowledge and knowledge generated elsewhere. This paper demonstrates the importance of the ability to absorb external knowledge in explaining...

We examine the influence of physical proximity on between-startup knowledge spillovers at one of the largest technology co-working hubs in the United States. Relying on the random assignment of office space to the hub's 251 startups, we find that proximity positively influences knowledge...

This paper reviews a number of recent contributions that demonstrate that a blend of welfare economics and statistical analysis is useful in the evaluation of the citations received by scientific papers in the periodical literature. The paper begins by clarifying the role of citation analysis in...