structure" turn technologically' general skills into specific' skills. Labor market frictions and institutions such as minimum …

informational role of cities is a primary reason for" their continued existence. This paper formalizes Marshall's theory in a model … of other implications of the theory are corroborated" empirically …

) from upper-tail knowledge. As a proxy for the historical presence of knowledge elites, we use city-level subscriptions to … firm survey from the 1840s, we shed light on the mechanism: upper-tail knowledge raised productivity in innovative …

The pace of innovation is related both to the level of investment in innovation and the pool of knowledge from which … innovators can draw. Both of these are endogenous: Investments in innovations are affected by the pool of knowledge and the …

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 … commercialize university inventions. Moreover, abstract knowledge advances per se elicit little or no response. Our findings …

Commercializing knowledge involves transfer from discovering scientists to those who will develop it commercially. New … opportunities if high. Hence new knowledge remains naturally excludable and appropriable. Team production allows more knowledge … capture of tacit, complex discoveries by firm scientists. A robust indicator of a firm's tacit knowledge capture (and strong …