This paper examines how the option for licensing affects research and development (R&D) and social welfare. We find that if cost reduction from R&D is sufficiently small and there is an option of licensing, firms will do non-cooperative R&D. In absence of licensing, firms will do cooperative R&D...

This paper examines how the option for licensing affects research and development (R&D) and social welfare.We find that if cost reduction from R&D is sufficiently small and there is an option of licensing, firms will do non-cooperative R&D. In absence of licensing, firms will do cooperative R&D...

In this paper we show how the size of innovation can affect the incentive for cooperative R&D and social welfare. When cost difference between large and small innovations is not sufficiently large then social welfare can be more under small innovation compared to large innovation. However, the...