Volunteering plays a prominent role in the charitable provision of goods and services, yet we know relatively little about why people engage in such prosocial acts. The list of possible motivations is long, but recent research has focused on altruism, reputational concerns, and material...

Volunteering plays a prominent role in the charitable provision of goods and services, yet we know relatively little about why people engage in such prosocial acts. The list of possible motivations is long, but recent research has focused on altruism, reputational concerns, and material...

We examine motivations for prosocial behavior using new data on volunteer firefighters that contain a dictator-game based measure of altruism, surveyed measures of other behavioral factors, and call records that provide an objective measure of time spent volunteering. Controlling for a variety...

We examine motivations for prosocial behavior using new data on volunteer firefighters that contain a dictator game based measure of altruism, surveyed measures of other behavioral factors, and call records that provide an objective measure of time spent volunteering. Controlling for a variety...

An important claim made for affirmative action programs has been that they need not be permanent: they can be discontinued, the argument runs, once they have transformed employers' attitudes. Proposition 209, enacted in California in 1996 and made effective the following year, represents a...

Testosterone, which induces sexual differentiation of the male fetus, is believed to transfer from males to their littermates in placental mammals. Among humans, individuals with a male twin have been found to exhibit greater masculinization of sexually dimorphic attributes relative to those...

Local news offers a unique look not only at customer preferences but also at the strategic response of firms to these preferences. This paper uses a combination of ratings data and newly gathered information on television stations in 25 U.S. markets to examine the decisions of competing firms...

Proposition 209, enacted in California in 1996 and made effective the following year, ended state affirmative action programs not only in education, but also for public employment and government contracting. This paper uses CPS data and triple difference techniques to take advantage of the...