The Effects of Exposure to Refugees on Crime: Evidence from the Greek Islands

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Recent political instability in the Middle East has triggered one of the largest influxes of
refugees into Europe. The different departure points along the Turkish coast generate exogenous
variation in refugee arrivals across Greek islands. We construct a new dataset on the number
and nature of crime incidents and arrested offenders at island level using official police records
and newspaper reports. Instrumental variables and difference-in-differences are employed to
study the causal relationship between immigration and crime. We find that a 1-percentage-point
increase in the share of refugees on destination islands increases crime incidents by 1.7-2.5 percentage
points compared with neighboring unexposed islands. This is driven by crime incidents
committed by refugees; there is no change in crimes committed by natives on those islands. We
find a significant rise in property crime, knife attacks, and rape, but no increase in drug crimes.
Results based on reported crimes exhibit a similar pattern. Our findings highlight the need for
government provision in terms of infrastructure, social benefits, quicker evaluation for asylum,
and social security.
Original languageEnglish
JournalEuropean Economic Review
Early online date14 Oct 2023
DOIs
Publication statusPublished - Nov 2023
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