We run a large-scale natural field experiment to evaluate alternative strategies to enforce compliance with the law … mailings, leading to a substantial increase in compliance. Among different mailing conditions a legal threat that stresses a … information about others’ behavior enhances compliance. However, the information condition has a positive effect in municipalities …

government budgets. This paper fills an important gap in the literature by studying the effectiveness of deterrence (enforcement …) and non-deterrence (social norms) letters that aim to improve the collection of traffic and parking fines. We discuss … potential mechanisms through which these letters may affect fine compliance and present results from a natural field experiment …

the role of word of mouth for this linkage. Our approach makes use of micro data on compliance with TV license fees … in their vicinity, with compliance rising significantly among those who had no interaction with inspectors. As we can …

of fines on punishment and deterrence. Partial effects are effects on potential violators' and punishers' decisions when … punish, which in turn reduces the deterrence effect of high fines. Using a laboratory experiment, we identify these effects …