Honor Among Thieves: Understanding Rhetorical and Material Cooperation Among Militant Groups
80 Pages Posted: 25 Mar 2020 Last revised: 30 Sep 2020
Date Written: February 26, 2020
Abstract
Cooperation among militant organizations contributes to capability but also presents security risks. This is particularly the case when organizations face substantial repression from the state. As a consequence, for cooperation to emerge and persist when it is most valuable, militant groups must have means of committing to cooperation even when the incentives to defect are high. We posit that shared ideology plays this role by providing community monitoring, authority structures, trust, and transnational networks. We test this theory using new, expansive, time-series data on relationships between militant organizations from 1950-2016, which we introduce here. The results show that when groups share an ideology, and especially religion, they are more likely to initiate material alliances. Moreover, in the face of repression from the state, shared ideology is associated with sustained cooperation. These findings contextualize and expand upon important existing research demonstrating that connections between violent, nonstate actors strongly shape their tactical and strategic behavior.
Keywords: Militant Groups, Alliances, Cooperation, Terrorism, State Repression
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