Most violent conflicts nowadays are taking place in developing countries. The costs of these wars are immense and can throw back a country’s development efforts by years or even decades. Among them are human costs, peacekeeping and humanitarian costs, commercial and reconstruction costs, and political costs. As far as numbers can express human suffering, we may recall that during the Rwandan genocide of 1994, an estimated 800,000 persons were killed and more than 2 million forced to flee their homes. Between 1990 and 1995, Rwandan exports dropped by 60 % due to internal instability (Killick/Higdom 1998). During the conflict in Bosnia-Herzegovina, 145,000 were killed, 174,000 injured, and 2,5 million people made refugees. The Bosnian GDP plu...