One of the most striking and undertheorized aspects of fields that commercialize patented technologies is the dynamic interplay of structural forces pushing toward consolidation. Of course, technological industries are complex ecosystems featuring numerous players of different sizes along the...

This paper reports the results of an original empirical study of the relationship between intellectual property and the financial performance of technology firms in the bioscience-technology industries. The study found a statistically significant positive relationship between the firms'...

This paper examines empirically the role of market structure for the influence of spill-over effects on R&D-cooperations. The results of a microeconometric analysis, based on firm data on innovation, let in general presume that with intensified competition also the influence of spillovers on...

This article analyzes how the perceived effectiveness of intellectual property protection and competitive pressure affect firms' innovation strategy choices, concretely, whether to abstain from innovation, to introduce products that are known in the market but new to the firm (imitation) or to...

This paper examines empirically the role of market structure for the influence of spill-over effects on R&D-cooperations. The results of a microeconometric analysis, based on firm data on innovation, let in general presume that with intensified competition also the influence of spillovers on...

This paper models the interaction of copies and originals (e.g. MP3s and CDs, generally called flavors) in a dynamic, horizontally (stylistic variety) and vertically (distribution technology) differentiated market. The Johnson (1985) household copying model is at the root of this model. Quality...

Harold Demsetz once claimed that 'economics has no antitrust relevant theory of competition.' Demsetz offered this provocative statement as an introduction to an economic concept with critical implications for the antitrust enterprise: the multi-dimensional nature of competition. Competition...

The 1998 State Street Bank case opened the door to patents for "business methods." One important category of business method patents covers financial products: securities, derivatives, futures contracts, and the like. This paper describes how State Street Bank emerged, unbidden by the financial...

This chapter reviews the empirical literature on the determination of firms’ and industries’ innovative activity and performance, highlighting the questions addressed, the approaches adopted, impediments to progress in the field, and research opportunities. We review the...

This paper presents a model of sequential innovation in which industry structure is endogenous and a standard of patentability determines the proportion of all inventions that qualify for protection (in U.S. patent law this standard is called nonobviousness; in Europe it is called the inventive...