Three months into the COVID-19 outbreak caused by a novel strain of coronavirus (SARS-CoV-2), the world is still in search of an effective therapeutic drug. Experimental drugs developed for other infections, such as Gilead's remdesivir, have been repurposed with unclear success. A recent small...

A booster of the COVID-19 vaccine targeting the prevailing Omicron variant did not become available in the United States until a year after the variant was first detected. This pattern of developing, testing, and distributing a variant-specific booster may become the default response to further...

I evaluate how the probability of substitution of a prescribed drug in a pharmacy depends on the pharmacists' profits and patients' out of pocket costs. I use Finnish population-wide data covering all prescriptions of three popular antidepressants. I find that one euro increase in the total...

In my testimony to the Senate Judiciary Committee, I explained the benefits of legislation addressing anticompetitive conduct that brand-name drug companies have employed: sample denials, pay-for-delay settlements, citizen petitions, product hopping, and patent thickets. By increasing generic...

Drug prices are in the news. “Pharma Bro” Martin Shkreli increased the price of Daraprim, a treatment for fatal parasitic infections, by 5000%. Mylan found itself on the hot seat for raising the price of the anaphylaxis-treating EpiPen 15 times in 7 years, resulting in a 400% increase to...

We study cartels that operated in the US generic drug industry, leveraging quarterly Medicaid data from 2011-2018 and a difference-in-differences approach comparing the evolution of prices of allegedly collusive drugs with a group of competitive control drugs. Our analysis highlights (i) the...