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...

"While the shockingly high prices of prescription drugs continue to dominate the news, the strategies used by pharmaceutical companies to prevent generic competition are poorly understood, even by the lawmakers responsible for regulating them. In this groundbreaking work, Robin Feldman and Evan...