The deterrent effect of law enforcement rests on the link between the actual and the perceived detection risk. We study the role of word of mouth for this linkage. Our approach makes use of micro data on compliance with TV license fees allowing us to distinguish between households who have been...

We run a large-scale natural field experiment to evaluate alternative strategies to enforce compliance with the law. The experiment varies the text of mailings sent to potential evaders of TV license fees. We find a strong alert effect of mailings, leading to a substantial increase in...

Adding a new dimension to determinants of corruption, this paper examines the effectiveness of enforcement in reducing corruption. We compare the influences of latent enforcement (police, judicial, and prosecutorial employment) versus actual enforcement (conviction rates) and enforcing...

The enforcement of social norms is the fabric of a functioning society. Through the lens of multiple studies using different methodologies (a behavioral experiment and a vignette experiment in Study 1, as well as a norm elicitation experiment in Study 2), we examine how motives for lying and...

This paper studies how punishment for past offenses affects future compliance behavior and isolates deterrence effects mediated by learning. Using administrative data from speed cameras that capture the full driving histories of more than a million cars over several years, we evaluate responses...

We study the impact on road safety of one-day massive speed limit monitoring operations (SLMO) accompanied by media campaigns that announce the SLMO and provide information on the dangers of speeding. Using register data on the universe of police reported accidents in a generalized...

We study a fiscal policy model in which the government is present-biased, leading to an excessive public deficit. An optimally designed fiscal rule needs to trade off the benefit of committing the government to not overspend against the benefit of granting it flexibility to react to shocks to...

We find an economic rationale for the common sense answer to the question in our title - courts should not always enforce what the contracting parties write.We describe and analyze a contractual environment that allows a role for an active court. An active court can improve on the outcome that...

Growing controversy surrounds the impact of labor unions on law enforcement behavior. Critics argue that unions impede organizational reform and insulate officers from discipline for misconduct. Yet collective bargaining tends to increase wages, which could improve officer behavior. We provide...