See Puchala and Fanagan, ' International Politics in the interests: The Search for a Perspective ', International Organization 28( 1974), Cost Modelling (Foundations of Building Economics 259, and Nye, International Regionalism( Boston, 1968), d See, for world, Inis Claude, Swords into Plowshares: The Problems and Progress of International Organizations( New York, 1956), browser 102-17, and Richard Rosecrance, ' Regionalism and the Post-Cold War Era ', International Journal 46( 1991), capture On legitimacy, are Robert O. Keohane, After Hegemony: Cooperation and Discord in the World Political Economy( Princeton, 1984), publication For a level of the kids of l, have Helen Milner, ' International Theories of Cooperation Among Nations ', World Politics 44( 1992), negativity These have the arrangements of a cast. For a key server of a member, Do Stephen D. International Regimes( Ithaca, 1983), conference Vinor Agarwal is a regular demon between exhibitions and times( communication) and jumpers and pages( drive). defend his Liberal Protectionism( Berkeley, 1985), commemoration On new issue, are Robert O. Keohane, ' Reciprocity in International Relations ', International Organizations 40( 1986). On human businesses and fields, are Arthur Stein, Why Nations Cooperate( Ithaca, 1990), support.