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ermittelt, die den Patentschutz durch Zahlung der Verlängerungsgebühren von 1977 bis 1995 in Deutschland aufrechterhalten hatten …
Persistent link: https://www.econbiz.de/10011417779
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...
Persistent link: https://www.econbiz.de/10011417839
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
Advocates of apprenticeship programs often argue as if it is simply a matter of historical accident which has hindered such investment by U.S. firms. This paper explores the structure of incentives undergirding the German system of apprenticeship training. First, we describe three...
Persistent link: https://www.econbiz.de/10011621474
This paper studies the effect of regional spillovers on the rate of firm formation in two major West German industries for the time period from 1989 to 1993. I exploit regional variations in firm formation at the county level to identify the effects of historically given industry structure and...
Persistent link: https://www.econbiz.de/10011621492
Using a newly constructed panel dataset of German enterprises, I estimate R&D and capital investment equations for the time period from 1990 to 1994. Simple accelerator specifications indicate considerable sensitivity of R&D and investment to cash flow for relatively small firms. Much of this...
Persistent link: https://www.econbiz.de/10011621855
dem Mannheimer Innovationspanel wird in mehrfacher Hinsicht Neuland - zumindest für die Bundesrepublik Deutschland …
Persistent link: https://www.econbiz.de/10011622173
In this paper we discuss determinants of firm survival and growth in Germany within its pre-1989 boundaries. We develop our central hypotheses on the basis of a simple theoretical model describing the self-selection of heterogeneous entrepreneurs into particular legal forms, and the implications...
Persistent link: https://www.econbiz.de/10011622932