Staggered difference-in-differences designs are pervasive in policy evaluations but little is known about the mechanisms of policy diffusion: How and why do such policies spread across jurisdictions? In this study, we highlight the role of elections in policy diffusion in settings where...

Despite the fact that 30 percent of opioid overdoses also involve a benzodiazepine, there is little policy guidance on how to curb concurrent misuse and even less evidence on how changes to co-prescribing practices can affect patients' economic trajectories. In 2012, Austria restricted access to...

We investigate women's fertility, labor and marriage market responses to a health innovation that led to reductions in mortality from treatable causes, and especially large declines in child mortality. We find delayed childbearing, with lower intensive and extensive margin fertility, a decline...

We assemble new data on the British and French concessions in Shanghai between 1845 and 1936 to assess the legal origins view of financial development. During this period, two regime changes altered the degree to which the British common and French civil law traditions held jurisdiction over the...

The Inca Empire was the last of a long series of highly developed cultures in pre-colonial South America. It stretched across parts of the current territories of Argentina, Bolivia, Chile, Colombia, Ecuador and the whole of Peru. The Inca Road was its 30,000-kilometer-long transportation system....

We use a dataset of the entire population of English Parliamentary enclosure acts between 1750 and 1830 to provide the first causal evidence of their impact. Exploiting a feature of the Parliamentary process that produced such legislation as a source of exogenous variation, we show that...

This paper investigates the economic consequences of the 1882 Chinese Exclusion Act, which banned immigration from China to the United States. The Act reduced the number of Chinese workers of all skill levels residing in the U.S. It also reduced the labor supply and the quality of jobs held by...

We study the role of war bonds and inflation in the presidential elections of the 1950s. During World War II, the federal government conducted aggressive campaigns to convince Americans to invest their savings in wartime savings bonds. Although the bonds were nonnegotiable and protected from...

The Poor People's Campaign (PPC) of 1968 was focused on highlighting, and ultimately reducing, poverty in the United States. As part of the campaign, protestors from across the country were transported to Washington, D.C. in 6 separate bus caravans, each of which made stops en route to rest,...

How do majority groups respond to a narrowing of inequality in racially polarized environments? We study this question by examining the effects of the Freedmen's Bureau, an agency created after the U.S. Civil War to provide aid to former slaves and launch institutional reform in the South. We...