This paper examines the litigation of patents relating to financial products and services. I show that these grants are being litigated at a rate 27 to 39 times greater than that of patents as a whole. The patents being litigated are disproportionately those issued to individuals and to smaller,...

The paper seeks to understand the impact of the patent system on innovation by examining shifts in the strength of patent protection across sixty countries and a 150-year period. An examination of 177 policy changes reveals that strengthening patent protection appears to have few positive...

This paper examines three sets of explanations for variations in the strength of patent protection across sixty countries and a 150-year period. Wealthier nations are more likely to have patent systems, to allow patentees a longer time to put their patents into practice, and to ratify treaties...

An extensive theoretical literature has examined the impact of information problems on interactions between government bodies and private firms. One little-explored empirical testing ground is the patent system. This paper examines the administrative practices of patent offices in sixty...

This paper describes the available data and research on venture capital investments and performance. We comment on the challenges inherent in those data and research as well as possible opportunities to do better

This paper examines investments made by 13 angel groups across 21 countries. We compare applicants just above and below the funding cutoff and find that these angel investors have a positive impact on the growth, performance, and survival of firms as well as their follow-on fundraising. The...

Financial innovation has been both praised as the engine of growth of society and castigated for being the source of the weakness of the economy. In this paper, we review the literature on financial innovation and highlight the similarities and differences between financial innovation and other...

Evidence on the "funding gap" for investment innovation is surveyed. The focus is on financial market reasons for underinvestment that exist even when externality-induced underinvestment is absent. We conclude that while small and new innovative firms experience high costs of capital that are...