We show that the quality of police hires varies over the business cycle. Officers hired when the unemployment rate is high have fewer complaints, disciplines, and are less likely to be fired than officers hired when the unemployment rate is low. Effects are larger for younger workers who have...

We use data from top-level soccer to examine determinants of individual misbehaviour in team contests. Our estimates indicate a significant positive and non-linear relationship between a player's age and (relative) ability on the one hand and the tendency to misbehave on the other. These...

Draft lottery data combined with Danish longitudinal administrative records show that military service can reduce criminal activity for youth offenders who enter service at ages 19-22. For this group property crime is reduced for up to five years from the beginning of service, and the effect is...

This paper examines ethnicity among highly skilled immigrants to the United States. The paper focuses on five classic components of ethnicity -country of birth, race, skin color, language, and religion - among persons admitted to legal permanent residence in the United States in 2003 in the...

The topic of corruption has recently attracted a great deal of attention, yet there is still a lack of micro level empirical evidence regarding the determinants of corruption. Furthermore, the present literature has not investigated the effects of political interest on corruption despite the...

Using individual data on persons arrested in the Medellin Metropolitan Area, this paper assesses whether the change in punishment at age 18, mandated by law, has a deterrent effect on arrests. No deterrent effect was found on index, violent or property crimes, but a deterrence effect was found...

Organised crime is unique within the underground economy. Unlike individual criminals, criminal organisations can substitute between a variety of inputs; chiefly labour and effort. This paper considers the effect of several popular anti-crime policies in such an environment. Using a profit...

Policies targeted at high-crime neighbourhoods may have unintended consequences in the presence of organised crime. Whilst they reduce the incentive to commit crime at the margin, those who still choose to join the criminal organisation are hardened criminals. Large organisations take advantage...

This paper estimates the effect of local labor market conditions on crime in a developing country with high crime rates. Contrary to the previous literature, which has focused exclusively on developed countries with relatively low crime rates, we find that labor market conditions have a strong...

Lead pollution is consistently linked to cognitive and behavioral impairments, yet little is known about the benefits of public health interventions for children exposed to lead. This paper estimates the long-term impacts of early-life interventions (e.g. lead remediation, nutritional...