We assess whether and why trade competition partly explains the sharp decline in U.S. workers' attempts to organize labor unions in recent decades. We find that between 1990-2007, import competition due to the "China Shock" lowered union certification elections by 4.5% among workers in...

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...