We analyze R&D collaboration networks in industries where firms are competitors in the product market. Firms' benefits from collaborations arise by sharing knowledge about a cost-reducing technology. By forming collaborations, however, firms also change their own competitive position in the...

We build a model of endogenous, innovation-driven growth in which innovative firms have costly access to outside financing and hoard cash reserves to maintain financial flexibility. We show that financing frictions slow down Schumpeterian creative destruction by discouraging entry. As a result,...

When innovation is cumulative, patent protection on early inventions can generate holdup problems if later complementary patents are owned by different firms. Consistent with the property rights literature, we show that shareholder ownership overlap across firms with patent complementarities...