‘ethnicity-innovation’ channels exist elsewhere? This paper investigates, using a new panel of UK patents microdata. In theory …Ethnic inventors play important roles in US innovation systems, especially in high-tech regions like Silicon Valley. Do …, ethnicity might affect positively innovation via ‘star’ migrants, network externalities from co-ethnic groups, or production …

In considering ideology and economic activity, ideology is defined as a system of beliefs which binds people together … two broad-based classes of approach to this problem, Marxian and Weberian. The former regards ideology which, together …

This paper investigates the effect of the threat and occurrence of patent litigation on the private value of patent … protection. Potential challenges are introduced into a renewal model as a factor in patentee decisions as to whether a patent is … worth maintaining. The model yields testable predictions about renewal probabilities. Data for post WWII German patents …

cumulative innovation. This paper studies the effects of strategic patenting on R&D, patenting and market value in the computer … software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent disputes, and … the fragmentation of patent rights (.patent thickets.) which increases the transaction costs of enforcement. We develop a …

panels of UK and US firms matched to patent data we show that UK firms who had established a high proportion of US …

particular countries to file for non-resident patents in specific foreign economies. Our major contribution is to show that, in … file for patent protection in focal foreign economies where their regional peers and, to a lesser extent, competitors from … economies with similar export product structures have filed for a larger number of patents. …