An innovative firm chooses strategically whether to patent its process innovation or rely on secrecy. By doing so, the … firm manages its rival’s beliefs about the size of the innovation, and affects the incentives in the product market … an innovative firm with unknown costs and probabilistic patent validity. Increasing the number of firms (degree of …

collaborate in R&D is increasing in R&D productivity. The key findings of the theoretical model are tested using German innovation … survey data for the service sector. A simultaneous model for cooperation choice and innovation expenditures shows that R …&D cooperation has a weakly significant positive effect on innovation expenditures. The empirical results broadly support the …

collaborate in R&D is increasing in R&D productivity. The key findings of the theoretical model are tested using German innovation … survey data for the service sector. A simultaneous model for cooperation choice and innovation expenditures shows that R …&D cooperation has a weakly significant positive effect on innovation expenditures. The empirical results broadly support the …