This dissertation analyzes the importance of institutions for economic performance. The first two chapters assess the importance of institutions empirically, while the last one provides a dynamic model of institutional change. Chapter 1 analyzes the robustness of institutions in growth...

I discuss briefly the crisis itself and then give some criteria that should be used in evaluating any policy proposed o deal with it. This is followed by a critical discussion of some of the policy measures that have been suggested. Finally, I give a list of proposals, that I believe best...

This dissertation analyzes the impact of network externalities on R&D competition in an oligopolistic industry. It focuses on the level of R&D investments, the social efficiency of those efforts and the role of networks compatibility. The analysis is taken under different specifications and...

Based on a survey of the inventors of 9,017 European patented inventions, this paper provides new information about the characteristics of European inventors, the sources of their knowledge, the importance of formal and informal collaborations, the motivations to invent, and the actual use and...

In a patent thicket licensing provides a mechanism to either avoid or resolve hold up. We study the choice between ex ante licensing to avoid hold up and ex post licensing to resolve it. Firms’ choice of licensing contract is studied in the context of a patent portfolio race. We show that high...