The Direct Costs from NPE Disputes
In the past, “non-practicing entities” (NPEs), popularly known as “patent trolls”, have helped small inventors profit from their inventions. Is this true today or, given the unprecedented levels of NPE [...]
Revenue, New Products, and the Evolution of Music Quality since Napster
Recorded music revenue has fallen sharply since Napster's appearance, by about 70 percent in North America and Europe, raising a serious question about the viability of continued investment in new [...]
Are Inventions Inevitable? A Note on Social Evolution
In conclusion, it is thought that the evidence presented of independent duplicate origins of inventions brings out forcibly the importance of the cultural factor in the production of inventions. Such [...]
Patents and R&D: Is There A Lag?
This paper extends earlier work on the RID to patents relationship (Pakes-Griliches 1980, and Hausman, Hall, and Griliches,1984) to a larger but shorter panel of firms...R&D itself turns out to [...]
Stronger Protection or Technological Revolution: What is Behind the Recent Surge in Patenting?
We investigate the casue of an unprecedented surge of U.S. patenting over the past decade. Conventional wisdom points to the establishment of the Court of Appeals of the Federal Circuit [...]
The Patent Paradox Revisited: Determinants of Patenting in the US Semiconductor Industry, 1980-94
This paper examines the patenting behavior of firms in an industry characterized by rapid technological change and cumulative innovation. Recent evidence suggests that semiconductor firms do not rely heavily on [...]
Innovation Fertility and Patent Design
It may be advantageous to provide a variety of kinds of patent protection to heterogenous innovations. Innovations which benefit society largely through their use as building blocks to future inventions [...]
Protecting Their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (or Not)
Based on a survey questionnaire administered to 1478 R&D labs in the U.S. manufacturing sector in 1994, we find that firms typically protect the profits due to invention with a [...]
Protecting Their Intellectual Assets: Appropriability Conditions and Why U.S. Manufacturing Firms Patent (or Not)
Based on a survey questionnaire administered to 1478 R&D labs in the U.S. manufacturing sector in 1994, we find that firms typically protect the profits due to invention with a [...]
Cross-national price differences for pharmaceuticals: how large, and why?
Bilateral drug price and quantity indexes, based on comprehensive data for seven countries (US, Canada, France, Germany, Italy, Japan and the UK), refute the conventional wisdom that US drug prices [...]