In this paper, I conduct one of the first evaluations of a voluntary management program that features an independent verification mechanism to determine whether it is achieving its ultimate objectives. Using a sample of thousands of manufacturing facilities across the United States, I find...

We study how a regulator can best target inspections. Our case study is a US Occupational Safety and Health Administration (OSHA) program that randomly allocated some inspections. On average, each inspection averted 2.4 serious injuries (9%) over the next five years. We use new machine learning...