We test the rational economic model of marginal deterrence of law enforcement - i.e., the need for graduating the penalty to the severity of the crime. We combine individual-level data on sentence length for a representative sample of US inmates with proxies for maximum punishment and monitoring...

This paper uses a new data set on domestic child adoption to document the preferences of potential adoptive parents over born and unborn babies relinquished for adoption by their birth mothers. We show that adoptive parents exhibit significant biases in favor of girls and against...