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We examine the effects of university-based star scientists on three measures of performance for California biotechnology enterprises: the number of products in development, the number of products on the market, and changes in employment. The `star' concept which Zucker, Darby, and Brewer (1994)...
Persistent link: https://www.econbiz.de/10013220403
We compare the geographic location of patent citations to those of the cited patents, as evidence of the extent to which knowledge spillovers are geographically localized. We find that citations to U.S. patents are more likely to come from the U.S., and more likely to come from the same state...
Persistent link: https://www.econbiz.de/10013225826
An inventor's own knowledge is a key input in the innovation process. This knowledge can be built by interacting with … of our new innovation-led endogenous growth model, in which innovations are produced by heterogeneous research teams of … model nests inside the innovation-based endogenous growth model. We estimate the model, which fits the data very closely …
Persistent link: https://www.econbiz.de/10012922975
We estimate the demand for a videocalling technology in the presence of both network effects and heterogeneity. Using a unique dataset from a large multinational firm, we pose and estimate a fully dynamic model of technology adoption. We propose a novel identification strategy based on...
Persistent link: https://www.econbiz.de/10013067628
innovation. After identifying pervasive market failures in innovation, it explains why those associated with the Nordic model may … be particularly conducive to innovation, and demonstrates that, in general, the optimal policies of the leader should … industrial policies, public investments, and systems of social protection), not only leading to more innovation, but ensuring …
Persistent link: https://www.econbiz.de/10013047034
by the composition and extent of aggregate demand. The direction and speed of innovation is inefficient because …
Persistent link: https://www.econbiz.de/10012919858
The contribution made by innovation and new technologies to economic growth and welfare is largely determined by the … neglected one in the economics of innovation. This chapter, written for a handbook on innovation, provides a historical and …
Persistent link: https://www.econbiz.de/10013226101
In this paper we analyze the evidence from a large number of studies on three specific questions pertaining to R&D investment: (1) Are there diminishing returns to inventive activities? (2) What is the relationship between R&D and productivity and what are the magnitudes of the returns to a...
Persistent link: https://www.econbiz.de/10013249157
innovation. Agents accumulate knowledge through two activities: innovation (discovering new technologies) and exploitation …
Persistent link: https://www.econbiz.de/10012750290
This paper is an attempt to explain diffusion in the production of an innovation. Diffusion in production is defined as … innovation. The principal variable that explains diffusion of entry is the demonstration effect. The principal variable that …
Persistent link: https://www.econbiz.de/10013323493