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Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on … was subsequently cited. results from two wide-ranging surveys, one in Germany and one in the United States, support … expiration in environments such as Germany with highly progressive annual maintenance fees are more valuable and more highly …
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Patent renewal studies reveal a highly rightward-skewed distribution of patent values. Our approach elicits valuations approximating those of the patented invention. This paper focuses on the full-term patents of the application year 1977 held by West German and U.S. residents. The tail of...
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We explore the tail of patented invention value distributions by using value estimates obtained directly from patent holders. The paper focuses on those full-term German patents of the application year 1977 which were held by West German and U.S. residents. The most valuable patents in our data...
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Although explanations of the persistence of high unemployment in Germany, in particular long-term unemployment, have …-Economic Panel for West Germany covering the period 1983 to 1992. The focus of the study is on the importance of "negative duration …
Persistent link: https://www.econbiz.de/10011619969
This paper uses a new firm panel data set to explore the relationship between R&D and productivity in German manufacturing firms for the period from 1979 to 1989. The results confirm the view that R&D is an important determinant of productivity growth. In the cross-section, the elasticity of...
Persistent link: https://www.econbiz.de/10011620038
market outcomes for apprentices in Germany and high school graduates in the United States. Apprentices in Germany occupy a … provide evidence that the problem of forming labor market bonds is particularly acute for minority youth in Germany as well as …
Persistent link: https://www.econbiz.de/10011621474