The motivation of this paper is the rather naive approach to debt as a financing source of R&D investment in the empirical investment literature. I focus on long-term relational debt based on its appealing contractual properties and discover a debt overhang effect for the relationship between...

We study a broad sample of firms across 32 countries and find that strong shareholder protections and better access to stock market financing lead to substantially higher long-run rates of R&D investment, particularly in small firms, but are unimportant for fixed capital investment. Credit...