Plausibly Exogenous [1850] - Police Presence (02/25/2025)

LHS Variable
Crime

RHS Variable
Police presence

Source of Exogenous Variation
Natural experiment in which a private university increased the number of police patrols within an arbitrarily defined geographic boundary

- MacDonald, Klick, and Grunwald (2016), “The effect of private police on crime: evidence from a geographic regression discontinuity design”