Arbeitspapier
Key Players in Co-Offending Networks
We study peer effects in crime by analyzing co-offending networks. We first provide a credible estimate of peer effects in these networks equal to 0.17. This estimate implies a social multiplier of 1.2 for those individuals linked to only one co-offender and a social multiplier of 2 for those linked to three co-offenders. We then provide one of the first empirical tests of the key player policy in a real world setting. This policy defines a micro-founded strategy for removing the criminal from each network that reduces total crime by the largest amount. Using longitudinal data, we are able to compare the theoretical predictions of the key player policy with real world outcomes. By focusing on networks for which the key player has disappeared over time, we show that the theoretical predicted crime reduction is close to what is observed in the real world. We also show that the key player policy outperforms other reasonable police policies such as targeting the most active criminals or targeting criminals who have the highest betweenness or eigenvector centrality in the network. This indicates that behavioral-based policies can be more efficient in reducing crime than those based on algorithms that have no micro-foundation.
- Sprache
-
Englisch
- Erschienen in
-
Series: IZA Discussion Papers ; No. 8012
- Klassifikation
-
Wirtschaft
Sociology of Economics
Illegal Behavior and the Enforcement of Law
Economic Sociology; Economic Anthropology; Language; Social and Economic Stratification
- Thema
-
crime
social networks
peer effects
social multiplier
key player
crime policies
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Lindquist, Matthew J.
Zenou, Yves
- Ereignis
-
Veröffentlichung
- (wer)
-
Institute for the Study of Labor (IZA)
- (wo)
-
Bonn
- (wann)
-
2014
- Handle
- Letzte Aktualisierung
-
10.03.2025, 11:43 MEZ
Datenpartner
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Objekttyp
- Arbeitspapier
Beteiligte
- Lindquist, Matthew J.
- Zenou, Yves
- Institute for the Study of Labor (IZA)
Entstanden
- 2014
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