The precompetitive R&D literature has viewed cooperative and noncooperative R&D as substitutes. In this paper a more realistic approach is taken, where both cooperative and noncooperative R&D are performed in parallel. In the first stage, firms determine the optimal investments in both types of...

This paper introduces defection into the strategic R&D model. In defecting, a firm cheats by choosing its R&D expenditures to maximise its own profits, instead of maximising the joint profits of the cooperating firms. Two cooperative environments are considered: R&D cartelisation, where firms...