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 prosecution...

We examine the short- and medium-term effects of announcements of changes in anti-crime policies in the distant future (news shocks) and provide a first extension of the analysis to cases where the announced policy changes may not be realized in the end (noise shocks). We further innovate by...