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Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations

Jaffe, Adam B. - 1992

We compare the geographic location of patent citations to those of the cited patents, as evidence of the extent to …

Persistent link: https://www.econbiz.de/10012474987

Patent Races, Product Standards, and International Competition

Jensen, Richard A. - 1991

patent race where firms do R&D to develop products that are close substitutes. The effects of a standard are shown to depend …

Persistent link: https://www.econbiz.de/10012475119

Pricing, Patent Loss and the Market For Pharmaceuticals

Frank, Richard G. - 1991

Empirical studies suggest that entry of generic competitors results in minimal decreases or even increases in brand-name drug prices as well as sharp declines in brand-name advertising. This paper examines circumstances under which this empirical pattern could be observed. The analysis focuses...

Persistent link: https://www.econbiz.de/10012475193

How Valuable is Patent Protection? Estimates By Technology Field Using Patent Renewal Data

Schankerman, Mark - 1991

This paper presents quantitative estimates of the private value of property rights conferred by patent protection for … different technology fields and countries of ownership. The measures are derived from parametric estimation of a model of patent … renewal, using a new data set on patent renewals in France during the period 1969-1987. The results show that patent …

Persistent link: https://www.econbiz.de/10012475220

Patent Statistics as Economic Indicators : A Survey

Griliches, Zvi - 1990

This survey reviews the growing use of patent data in economic analysis. After describing some of the main … characteristics of patents and patent data, it focuses on the use of patents as an indicator of technological change. Cross … the distribution of patent values and the value of patent rights, the latter being based on recent analyses of European …

Persistent link: https://www.econbiz.de/10012475734

Are Nonconvexities Important For Understanding Growth?

Romer, Paul - 1990

Everyday experience and a simple logical argument show that nonconvexities are essential for understanding growth. Compared to previous statements of this well known argument, the presentation here places more emphasis on the distinction between two of the fundamental attributes of any economic...

Persistent link: https://www.econbiz.de/10012475766

Patents, Appropriate Technology, and North-South Trade

Diwan, Ishac - 1989

We consider the differential incentives of the North and the South to provide patent protection to innovating firms in … development of technologies most suited to their needs. This provides a motive for the South to provide patent protection even … global planner will set equal rates of patent protection only when it weights the welfare of the two regions equally. We find …

Persistent link: https://www.econbiz.de/10012476074

Patents : Recent Trends and Puzzles

Griliches, Zvi - 1989

This paper reviews the historical data on patenting in the United States with special reference to the last 20 years and their potential relation, if any, to the recent productivity slowdown. Two Points are made: Patents are not a "constant-yardstick" indicator of either inventive input or...

Persistent link: https://www.econbiz.de/10012476131

Intellectual Property Rights and North-South Trade

Chin, Judith C. - 1988

conduct R&D in order to lower its production costs, but the Southern firm can imitate costlessly if patent protection for …

Persistent link: https://www.econbiz.de/10012476291

Inventive Activity in Early Industrial America : Evidence From Patent Records, 1790 - 1846

Sokoloff, Kenneth L. - 1988

A sample of patent records from the United States between 1790 and 1846 is employed to study the patterns in inventive …

Persistent link: https://www.econbiz.de/10012476354