The debate on the immigration policies in OECD countries has turned its attention towards illegal migrants. Given that migration flows are determined by immigration laws, the probability of potential detection, penalties for unauthorised migrants and their employers, and on income differences...

This survey summarizes the classical fundamentals of modern deterrence theory, covers major theoretical and empirical findings on the impact of certainty and severity of punishment (and the interplay thereof) as well as underlying methodological problems, gives an overview of limitations and...

Offenders are more likely than non-offenders to be victims, and victims are more likely than non-victims to be offenders. The overlap between offenders and victims is not well understood in criminology, and in the economics of crime the stylized empirical fact is even widely ignored. The paper...

The debate on the immigration policies in OECD countries has turned its attention towards illegal migrants. Given that migration flows are determined by immigration laws, the probability of potential detection, penalties for unauthorised migrants and their employers, and on income differences...

Based on a „theoretical„ framework on custodial and non-custodial sentencing, the paper provides econometric tests on the effectiveness of police, public prosecution and courts. Using a unique dataset covering German states for the period 1977-2001, a comprehensive system of criminal...