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A firm that introduces a new good enjoys monopoly profits for some initial period of time. What happens subsequently depends upon the relative strength of knowledge diffusion and increasing dominance. The first effect enhances challengers’ ability to develop the product, erodes the...
Persistent link: https://www.econbiz.de/10005666741
This Paper empirically tests the ‘bounds approach’ to industry structure proposed by Sutton ((1991), (1998)). To carry out this task, we focus on the chemical industry. Part of the novelty in this exercise is that we work on the finest possible level of disaggregation. Also, we identify...
Persistent link: https://www.econbiz.de/10005656233
This paper quantifies the relationship between market size and innovation in the pharmaceutical industry. We estimate … the elasticity of innovation, as measured by the number of new chemical entities appearing on the market for a given … the hypothesis that innovation in pharmaceuticals is becoming more difficult and expensive over time, as costs of …
Persistent link: https://www.econbiz.de/10009003149
This paper studies how patent rights and price regulation affect how fast new drugs are launched in different countries, using newly constructed data on launches of 642 new drugs in 76 countries for the period 1983-2002, and information on the duration and content of patent and price control...
Persistent link: https://www.econbiz.de/10011084584
This paper studies the effect of top tax rates on inventors' mobility since 1977. We put special emphasis on "superstar" inventors, those with the most and most valuable patents. We use panel data on inventors from the United States and European Patent Offices to track inventors' locations over...
Persistent link: https://www.econbiz.de/10011272707
dirty innovation and production; (ii) optimal policy involves both .carbon taxes. and research subsidies, so that excessive … the switch to clean innovation under laissez-faire when the two inputs are substitutes. Under reasonable parameter values …
Persistent link: https://www.econbiz.de/10009365645
Technological progress takes the form of improvements in the quality of an array of intermediate inputs to production. In an equilibrium that is standard in the literature, all research is carried out by outsiders, and success means that the outsider replaces the incumbent as the industry...
Persistent link: https://www.econbiz.de/10005067489
The geographical sources of innovation of firms have been hotly debated. While the traditional view is that physical … survey of the level of innovation of 1604 firms of more than 10 employees located in the five largest Norwegian city … innovation and b) the factors behind the propensity to innovate in Norwegian firms. The results stress that while interaction …
Persistent link: https://www.econbiz.de/10008854504
A large portion of innovators do not patent their inventions. This is a relative puzzle since innovators are often perceived to be at the mercy of imitators in the absence of legal protection. In practice, innovators however invest actively in making their products technologically hard to...
Persistent link: https://www.econbiz.de/10011084053
This paper investigates how physical, organisational, institutional, cognitive, social, and ethnic proximities between inventors shape their collaboration decisions. Using a new panel of UK inventors and a novel identification strategy, this paper systematically explores the net effects of all...
Persistent link: https://www.econbiz.de/10011084309