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This article takes stock of some of the important contributions to the study of peacekeeping (PK). Two key topics stand out: peacekeeping burden sharing and mission effectiveness. For burden sharing, the theoretical foundation is the private provision of public goods and joint products. Implications for burden sharing differ whether financial or troop contributions are being shared, with the la...

Jayantha Dhanapala is the Under-Secretary General for Disarmament Affairs at the United Nations. He served as President of the 1995 Nonproliferation Treaty Review and Extension Conference. He has also served as the Ambassador of Sri Lanka to the United Nations in Geneva and the United States, worked as Director of the Geneva-based United Nations Institute for Disarmament Research (UNIDIR), and ...

1 Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, Plymouth University, Plymouth, United Kingdom, 2 Food, Health and Nutrition, School of Biological and Marine Sciences, Plymouth University, Plymouth, United Kingdom, 3 Shimoda Marine Research Centre, University of Tsukuba, Tsukuba, Japan, 4 Marine Conservation and Policy Research Centre, School of Biological...