We examine the effect of enforcing minimum quality standards (MQSs) on consumer health. In the late 1800s, the urban milk supply was regularly skimmed and diluted with water, but consumers could not easily determine its quality because dyes, caramel, and salt were added. To protect consumers,...

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...

In the mid-19th century, the urban milk supply in the United States was regularly skimmed or diluted with water, reducing its nutritional value. At the urging of public health experts, cities across the country hired milk inspectors, who were tasked with collecting and analyzing milk samples...

This paper assesses how retirement - defined as permanent labor force non-participation in a man's mature years - affects psychological welfare. The raw correlation between retirement and well-being is negative. But this does not imply causation. In particular, people with idiosyncratically low...

In 1966, Southern hospitals were barred from participating in Medicare unless they discontinued their long-standing practice of racial segregation. Using data from five Deep South states and exploiting county-level variation in Medicare certification dates, we find that gaining access to an...