The proliferation of international organizations is presently a hot issue. New international organizations have been created over the last few years, such as the Organization for the Prohibition of Chemical Weapons and the World Trade Organization. At the same time a certain reluctance may be observed to create new organizations. Overlapping activities and conflicting competences occur frequently and the need for coordination is evident. The events in former Yugoslavia are an example. Both during the armed conflicts in Bosnia and Kosovo and afterwards in the era of reconstruction, the need to...