Peacekeeping is a security concept that is very representative of the current interventionism, multilateralism, human rights, and humanitarian ideas. UN peacekeeping plays an important role in international security and includes various activities that go beyond the original roles assigned to UN armed forces (e.g. humanitarian aid, election supervision, disarmament, mine clearance, civilian protection, and peacebuilding). The problem is to define the economic efficiency of these operations and to develop some recommendations in the context of an economic globalization process. Although UN...