Eine panelökonometrische Überprüfung der ökonomischen Theorie der Kriminalität mit deutschen Bundesländerdaten

Hannes Spengler ()

No 548, Discussion Papers of DIW Berlin from DIW Berlin, German Institute for Economic Research

Abstract: According to the economic theory of crime, a rise in expected punishment (the product of probability and severity of punishment) results in a reduction of crime due to deterrence. What appears to be a simple and straightforward hypotheses turns out to be a demanding task for empirical examination because "crime" is composed of many different offence categories and expected punishment is influenced by the actions and decisions of different institutions such as police, public prosecutor's office and the courts and, thus, varies with respect to clearance and conviction rate as well as decisions regarding type (fine, probation, imprisonment) and "quantity" (length of prison sentence and size of fine) of punishment. Moreover, it makes a difference whether offenders are subject to general or juvenile criminal law. Usually, empirical analyses of crime/deterrence take simultaneous account of only a fraction of the items detailed above. In orderto overcome this shortcoming the author has established a unique database combining information from different sources of official judicial statistics covering the German states for the period 1977-2001. Building on this database a comprehensive system of criminal prosecution indicators is derived and subsequently related to the incidence of six major offence categories using panel-econometrics. Revealing many negative significant effects for clearance and conviction rates but mostly insignificant coefficients for indicators of type and "quantity" of punishment the estimation results suggest that deterrence is mainly exerted at the initial levels of the criminal prosecution process. Finally, the econometric estimates are used in order to assess cost reductions for crime victims from increases in the severity of criminal prosecution. Thus, intensifying criminal prosecution permanently by 10 percent would reduce victims' costs by at least € 250 million p.a.

Keywords: Empirical crime research; Economic theory of crime; Criminal prosecution; Deterrence; Applied econometrics; Panel data; Integration; IV-estimation; Nickel bias; Ratio bias; Cost-benefit-analysis (search for similar items in EconPapers)
JEL-codes: H73 K14 K42 (search for similar items in EconPapers)
Pages: 68 p.
Date: 2006
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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