Ethno-nationalism and Right-Wing Extremist Violence in the United States, 2000 through 2018

Influential studies of right-wing extremist violence offer evidence that such violence is motivated by grievances intensified by a perceived loss in status or by economic dislocations. This article moves away from an emphasis on grievances by turning to theories of ethno-nationalism and group conflict. Ethno-nationalism is in part driven by attitudes of dominant groups favoring ethnic exclusion, whereas group threat theories explain that ethnic diversity increases the salience of ethnic boundaries and fuels a collective response to group threat. Such threats encourage violence to contain this threat and restore dominance. Exclusionary attitudes and support for expanded gun rights in America further legitimize a culture of ethno-nationalism that encourages violent acts. I test these arguments with data from the Pew Research Center, the Southern Poverty Law Center, and the Extremist Crime Database on right-wing violence. The state-level and county-level results support the claim that rising ethnic diversity raises the rate and volume of right-wing violence significantly. State-level results also find that rising memberships in the National Rifle Association increase the rate of right-wing violence significantly.

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