> If the response to increased crime in poor areas is a 35% decrease in enforcement, as the paper claims, this will be obvious in simple plots of crime and enfo

> If the response to increased crime in poor areas is a 35% decrease in enforcement, as the paper claims, this will be obvious in simple plots of crime and enforcement over time in those areas. Will it? Are you looking at reported crimes or investigated crimes? If the cops never show up do people stop calling? I’m not sure how a simple plot tells the whole story here.