Legal and illegal markets often coexist. In theory, marginal legalization can either substitute for the remaining parallel market, or complement it via scale effects. I study migrants crossing without prior authorization at the US southwest border, where large-scale unlawful crossing coexists...

In December 2014 and January 2015, police officers in New York City engaged in an organized slowdown of police work to protest the murder of two police officers who were targeted by a gunman while sitting in their patrol car. An influential 2017 article in Nature Human Behaviour studies the...

We study spillover effects within co-offending networks by leveraging deaths of co-offenders for causal identification. Our results demonstrate that the death of a co-offender significantly reduces the criminal activities of other network members. We observe a decaying pattern in the magnitude...

In December 2014 and January 2015, police officers in New York City engaged in an organized slowdown of police work to protest the murder of two police officers who were targeted by a gunman while sitting in their patrol car. An influential 2017 article in Nature Human Behaviour studies the...

Peer interactions play a key role in the criminal sector due to its secrecy and lack of formal institutions. A significant part of criminal peer exposure happens in prison, directly influenced by policymakers. This paper provides a broader understanding of how peer effects shape criminal...

Inmates' informal code often ascribes low status to persons perceived as passive homosexuals. We use longitudinal data to investigate whether prison experience contributes to anti-gay beliefs. We find that prison experience prompts a higher level of anti-gay sentiments among males and their...

Legal and illegal markets often coexist. In theory, marginal legalization can either substitute for the remaining parallel market, or complement it via scale effects. I study migrants crossing without prior authorization at the US southwest border, where large-scale unlawful crossing coexists...

U.S. law requires the Attorney General to collect data on hate crime victimization from states and municipalities, but states and localities are under no obligation to cooperate by gathering or sharing information. Data production hence varies considerably across jurisdictions. This paper...

This study investigates the relationship between social vulnerability, illegal activities, and location-based business disruptions in Athens, the capital of Greece. The research utilises repeated cross-sectional data from 2008, 2014, and 2023, gathered from areas with high levels of criminal...

This study investigates the relationship between social vulnerability, illegal activities, and location-based business disruptions in Athens, the capital of Greece. The research utilises repeated cross-sectional data from 2008, 2014, and 2023, gathered from areas with high levels of criminal...