Gleditsch, Nils Petter; Hegre, HÅvard - In: Journal of Conflict Resolution 41 (1997) 2, pp. 283-310
Peace and regime type can be examined at the dyadic, nation, and system levels. At the dyadic level, it is well established that democracies rarely if ever fight each other. At the national level, the broad consensus is that there is no significant relationship between democracy and war...