“...Electrification among American farm households increased from less than 10 percent to nearly 100 percent over a three decade span, 1930{1960. We exploit the...”

“...Using U.S county level data on lead in air for 1978-1988 and lead in topsoil in the 2000s, this paper examines the impact of lead exposure on a critical human...”

“...How much of the geographic clustering of economic activity is attributable to agglomeration spillovers as opposed to natural advantages? I present evidence on...”

“...The 1918 Influenza Pandemic killed millions worldwide and hundreds of thousands in the United States. This paper studies the impact of air pollution on...”

“...Pollution is a common byproduct of economic activity. Although policymakers should account for both the benefits and the negative externalities of polluting...”

“...A growing body of research shows that firms' employment and wage-setting policies contribute to wage inequality and pay disparities between groups. We measure...”