When firms recruit inventors, they acquire not only the use of their skills but also enhanced access to their stock of ideas. But do hiring firms actually increase their use [...]
We study the extent to which a country's strength of Intellectual Property Rights (IPR) protection mediates knowledge spillovers from Foreign Direct Investment (FDI). Following the opposing views in the IPR [...]
We study the effects of generic entry on prices and utilization using both event study models that exploit the differential timing of generic entry across drug molecules and cast studies. [...]
Among the market characteristics, only generic competition is significantly related with price, and only in the random effects model. Generic competition reduces price, as expected, but by well less than [...]
Why do firms in some industries ignore patents when developing new products? This paper posits a simple answer to this long puzzling question: firms ignore patents because they are unable [...]
Compulsory licensing allows firms in developing countries to produce foreign-owned inventions without the consent of foreign patent owners. This paper uses an exogenous event of compulsory licensing after World War [...]
This chapter uses historical data on patents and registrations of new plant varieties to examine the effects of the Plant Patent Act on biological innovation. Evidence on a later Act, [...]
Because entrepreneurs’ incentives to innovate depends on the gap between the post innovation rent and the pre-innovation rent—call it the net innovation rent. And typically, what competition does is to [...]
Do intellectual property (IP) rights on existing technologies hinder subsequent innovation? Using newly-collected data on the sequencing of the human genome by the public Human Genome Project and the private [...]
Congress has recently demonstrated significant ongoing interest in litigation by “patent assertion entities” (PAEs), which are colloquially known as “patent trolls” and sometimes referred to as “non-practicing entities” (NPEs). The [...]