This paper performs a comparison of two well known approaches for modelling R&D spillovers associated with investment in green technology, namely D'Aspremont-Jacquemin and Kamien-Muller-Zang. We show that there is little qualitative difference between the models in terms of total surplus...

This paper analyzes the joint design of innovation and competition policy. It focuses on collusion sustainability changes due to implementation of antitrust fines and R&D subsidies in an extension of a model by Miyagiwa (2009). Generic subsidies for R&D are found not to facilitate collusion,...