The “Broken Windows†theory of crime prescribes “zero-tolerance†law enforcement policies that disproportionately target light crimes with the understanding that this will lead to future reductions of more severe crimes. We provide evidence against the effectiveness of such...

We introduce an empirical framework that synthesizes the key insights of the Schelling model of segregation. Our framework builds upon an established empirical literature in neighborhood choice and can accommodate complex, realistic features that have been absent from prior analyses of tipping...