We estimate the effect of patent protection on follow-on investments in corporate scientific research. We exploit a new method for identifying an exogenous reduction in the protection a granted patent [...]
This paper studies how innovative firms manage their innovation portfolios after filing for Chapter 11 reorganization using three decades of data. We find that they sell off core (i.e., technologically [...]
We show how characterizing optimal patent policy for the pharmaceutical industry only requires information about generic producers' responses to changes in the effective duration and scope of new drug patents. [...]
A pandemic calls for large-scale action across national and international innovation systems in order to mobilize resources for developing and manufacturing crisis-critical products efficiently and in the huge quantities needed. [...]
In this work, we attempt to provide a comprehensive granular account of the pace of technological change. More specifically, we survey estimated yearly performance improvement rates for nearly all definable [...]
The pharmaceutical industry is facing substantial criticism from many directions, including financial barriers to access to drugs in both developed and developing countries, high profits, spending on advertising and marketing, [...]
Delays in market entry of generic drugs are common. This study sought to identify the prevalence of delayed entry, the reasons for the delays, and the delays’ effects on Medicaid [...]
Delays in market entry of generic drugs are common. This study sought to identify the prevalence of delayed entry, the reasons for the delays, and the delays’ effects on Medicaid [...]
This paper examines the U.S. government’s intramural research and development efforts over a 40-year period, drawing together multiple human capital, government spending, and patent datasets. The U.S. Federal Government innovates [...]
I survey some recent research on the role of patents in encouraging innovation and growth in developing economies, beginning with a brief history of international patent systems and facts about [...]