We present evidence of a causal impact of research and development (R&D) tax incentives on innovation. We exploit a change in the asset-based size thresholds for eligibility for R&D tax [...]
Technological progress builds upon itself, with the expansion of invention in one domain propelling future work in linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties [...]
We provide evidence on the value of patents to startups by leveraging the random assignment of applications to examiners with different propensities to grant patents. Using unique data on all [...]
We study the causal impact of patent invalidation on subsequent innovation and exit by the patent holder. The analysis is based on patent litigation at the U.S. Court of Appeals [...]
This paper examines the relationship between innovation and firms' dependence on external capital by analyzing the innovation activities of privately-held and publicly-traded firms. We find that public firms in external [...]
In many growth models, economic growth arises from people creating ideas, and the long-run growth rate is the product of two terms: the effective number of researchers and their research [...]
We investigate whether patents on human genes have affected follow-on scientific research and product development. Using administrative data on successful and unsuccessful patent applications submitted to the US Patent and [...]
The competitive shock to the U.S. manufacturing sector spurred by rising China import competition could either catalyze or stifle innovation. Using three distinct sources of variation to identify rising trade [...]
We analyze the impact of accession to the regional patent system established by the European Patent Convention (EPC) on 14 countries that acceded between 2000 and 2008. We look at [...]
China has established courts that specialize in intellectual property litigation so litigants have an experienced, fast and cost-effective forum to resolve patent disputes. These specialist courts take about 10 months [...]