41 Damien Fruchart et al., Stockholm International Peace Research Institute, “United Nations Arms Embargoes: Their Impact on Arms Flows and Target Behaviour” (SIPRI and Uppsala University, 2007), p. x. In a subcategory of six cases, there was some improvement in the actions of the target state immediately before and after the imposition of arms embargoes, in five of six cases studied. Ibid., p. 46. However, it is difficult to identify the direct cause of the changes, since in most cases the arms embargoes are accompanied by other measures, including other types of sanctions. In the five cases where there were “standalone” arms embargoes, one study found that there was little or no impact: Cortright and Lopez, eds., Smart Sanctions: Targeting Economic Statecraft, p. 24. Cortright and Lopez “Targeted Sanctions: Lessons from the 1990s,” in Brzoska, Smart Sanctions: Next Steps, p. 24