Research and Development theory and policy. It covers patent policy, the effects of market structure and the internal … -- Acknowledgements -- Appendix -- References -- Chapter 2. Innovation, Duplication, and the Contract Theory of Patents -- Abstract -- 1 …. Beyond polar cases -- 7. Concluding remarks -- Acknowledgements -- References -- Chapter 3. On Patent Licensing -- Abstract …

Licensing in a patent thicket allows firms to either avoid or resolve hold-up. Firms' R&D incentives depend on whether … they license ex ante or ex post. We develop a model of a patent portfolio race, which allows for endogenous R&D efforts, to … likely to avoid patent portfolio races, since the threat of hold-up increases. On the other hand, more valuable technologies …