We investigate whether anti-immigrant attitudes affect migrant inflows in Organisation for Economic Co-operation and Development (OECD) countries. Using longitudinal exhaustive data, we find that natives' hostility, particularly natives' propensity to discriminate on the labor market, reduces immigration. This effect is comparable to more conventional migration factors. We obtain robust results when we, for example, capture hostility with far-right parties' popularity instead and control for tighter immigration policies or multilateral resistance to migration. We find a stronger effect for EU-to-EU migrants, migrants from developed countries and linguistically close countries. Our results 1 We are indebted to the current editor and the previous editor of the International Migration Review and the anonymous referees for particularly insightful comments and suggestions. We would also like to thank David Card, Elke Jahn, Vibeke Jakobsen, Lena Nekby, Giovanni Peri, and Lars Skipper for other valuable and constructive comments on earlier versions of this paper. Earlier versions of this paper were presented at seminars at

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We investigate peer effects on crime-specific recidivism using register data for the entire Danish prison population. We find that inmates do not acquire new criminal capital in prison (no introductory peer effects). For certain types of crimes, we find that inmates strengthen their criminal capital in prison because of exposure to offenders in their field of specialization (reinforcing peer effects). Our results accord with a theory of crime-specific knowledge transmission and network building: we find reinforcing peer effects for crimes that require specific capital, planning, and networks (for example, drug crimes, theft, burglary, and fencing) and/or are more effective when committed in groups (for example, threats and vandalism). Reinforcing peer effects are especially strong because of exposure to more experienced criminals. By contrast, we find that exposure to offenders in the same specialization deters inmates from recidivism for violent offenses, including sexual offenses and robbery.

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