Patents as quality signals? The implications for financing constraints on R&D

Information about the success of a new technology is usually held asymmetrically between the research and development RD-performing firm and potential lenders and investors. This raises the cost of capital for financing RD externally, resulting in financing constraints on RD especially for firms with limited internal resources. Previous literature provided evidence for start-up firms on the role of patents as signals to investors, in particular to Venture Capitalists. This study adds to previous insights by studying the effects of firms patenting activity on the degree of financing constraints on RD for a panel of established firms. The results show that patents do indeed attenuate financing constraints for small firms where information asymmetries may be particularly high and collateral value is low. Larger firms are not only less subject to financing constraints, but also do not seem to benefit from a patent quality signal. Keywords Patents, Quality Signal, Research and Development, Financial Constraints, Innovation Policy