This paper analyzes differences in R&D spending and in the impact of R&D on productivity between German and UK firms. We confirm that German firms spend significantly larger amounts on R&D than their UK counterparts, even after controlling for firm size and industry effects. Using a dynamic...

Public opposition to the genetic engineering of food crops (GM food) has not been based solely on concern about biological risks. Economic risks have been widely cited too: the fear that the world's food supply will be concentrated in the hands of a few large firms, the fear that such firms will...

We report the results of the first comparative study of the determinants and effects of patent oppositions in Europe and of re-examinations on corresponding patents issued in the United States. The analysis is based on a dataset consisting of matched EPO and US patents. Our analysis focuses on...