This paper explores economically meaningful forms of cost functions for process research and development in the presence of imperfect appropriability of inventive output. We propose, as a central criterion to be satisfied by the knowledge production process, that a given R&D investment should...

Contrary to much of the existing literature, we obtain robust and clear-cut results for the incentives and welfare effects of information sharing when information is firm-specific. We show that firms' incentives to share this type of information are aligned with social welfare. Whenever...