“…A handful of empirical studies have investigated the determinants of war willingness (Anderson, Getmansky, & Hirsch-Hoefler, in press;Diener & Tov, 2007;Inglehart et al, 2015;Jakobsen et al, 2016;Paez et al, 2008;Puranen, 2014;Torgler, 2003). One of these, while focusing mainly on the impact of regime type, also includes a dummy for the presence of US troops (with a 1,000-troops threshold), which, in their multilevel analysis, is shown to suppress war willingness somewhat (Jakobsen et al, 2016). In the next section, we follow up on this finding, investigating more extensively the relationship between military-security ties with the US and non-material burden-sharing and free-riding.…”