Will More Black Cops Matter? Officer Race and Police‐Involved Homicides of Black Citizens
研究检验了增加黑人警察比例是否能减少警察杀害黑人公民的事件，发现只有当黑人警察占比足够大时才有显著效果。
Abstract In response to police‐involved homicides of black citizens in Ferguson, Missouri, and elsewhere, some have suggested that more black police officers could reduce the number of these events. The authors offer an empirical test of this assertion. The literature offers conflicting expectations: some studies suggest that increased representation reduces discrimination, while others suggest that it increases discrimination. The authors reconcile these perspectives using the concept of critical mass, which leads to the expectation that an increase in black officers will reduce the number of black citizens killed in encounters with police, but only once the proportion of black officers is sufficiently large. We test this expectation in analyses of recently compiled data on police‐involved homicides in 2014 and 2015 in large U.S. cities .