Using patent citation data for the U.S., we test whether knowledge spillovers in biotechnology are sensitive to distance. Controlling for self-citation by inventor, assignee and examiner, cohort-based regression analysis shows that spillovers are local but that distance is becoming less...

With the recent liberalization of technology flows, changes in the pattern of domestic invention can be expected in Brazil. This paper models the decision of a firm to engage in innovative activity and to protect the results of that activity. Using a unique firm-level dataset collected for this...

The debate in less developed nations over whether to adopt stronger patent protection laws emphasizes the tradeoff between encouraging development of relevant technology through the promise of monopoly profits and discouraging application of existing technology through monopoly control of patent...

The debate in less developed nations over whether to adopt stronger patent protection laws emphasizes the tradeoff between encouraging development of relevant technology through the promise of monopoly profits and discouraging application of existing technology through monopoly control of patent...