Between 1972 and 1978 U.S. high schools rapidly increased their female athletic participation rates--to approximately the same level as their male athletic participation rates--in order to comply with Title IX, a policy change that provides a unique quasi-experiment in female athletic...

This chapter reviews empirical evidence on the micro-level consequences of family planning programs in middle- and low-income countries. In doing so, it focuses on fertility outcomes (the number and timing of births), women's health and socio-economic outcomes (mortality, human capital, and...

One-third of children in the United States are born to unmarried parents. A substantial number of black and Hispanic children live with a never-married mother. Children of never-married mothers are more likely to drop out of high school, repeat grades, and have behavioral problems than are...

Under the Civil War pension act of 1862, the widow of a Union Army soldier was entitled to a pension if her husband died as a direct result of his military service; however, she lost her right to the pension if she remarried. I analyze the effect this had on the rate of remarriage among these...

During the 19th century, the US birthrate fell by half. While previous economic literature has emphasized demand-side explanations for this decline--that rising land prices and literacy caused a decrease in demand for children--historians and others have emphasized changes in the supply of...

The economic costs of environmental regulations have been widely debated since the U.S. began to restrict pollution emissions more than four decades ago. Using detailed production data from nearly 1.2 million plant observations drawn from the 1972-1993 Annual Survey of Manufactures, we estimate...

Using Portugal's extensive matched employer-employee data set, this paper documents an unusual feature of the Portuguese economy. For decades, the entire Portuguese firm size distribution has been shifting to the left. We argue in this paper that Portugal's shrinking firms are linked to the...

The trickle of business method patents issued by the United States Patent Office became a flood after the State Street Bank decision in 1998. Many scholars, both legal and economic, have critiqued both the quality of these patents and the decision itself. This paper discusses the likely impact...

Arguably the most aggressive affirmative action program ever implemented in the United States was a series of court-ordered racial hiring quotas imposed on municipal police departments. My best estimate of the effect of court-ordered affirmative action on workforce composition is a 14 percentage...

Building on insights gained from interviewing administrators and patent examiners at the United States Patent and Trademark Office (USPTO), we collect and analyze a novel dataset on patent examiners and patent outcomes. This dataset is based on 182 patents for which the Court of Appeals for the...