Chapters in Books
“Liberal Political Philosophy: the Role of Non-State Actors and Considerations of Global Justice” in Bob Reinalda (Ed.) The Ashgate Research Companion to Non-State Actors (2011: Farnham: Ashgate, pp. 133-146, co-authored with Geoff Gordon).
“Cosmopolitanism in Context” in Roland Pierik & Wouter Werner (Eds.) Cosmopolitanism in Context: Perspectives from International Law and Political Theory. Cambridge, Cambridge University Press (2010, co-authored with Wouter Werner, pp. 1-15).
“Can Cosmopolitanism Survive Institutionalization?” in Roland Pierik & Wouter Werner (Eds.) Cosmopolitanism in Context: Perspectives from International Law and Political Theory. Cambridge, Cambridge University Press (2010, co-authored with Wouter Werner, pp. 275-287).
“Collective Responsibility and National Responsibility” in Helder de Schutter & Ronald Tinnevelt (eds.), Do co-nationals have priority over other human beings?, London and New York: Routledge (2010).
“Do we have a negative duty to promote global justice?” in Jean-Christophe Merle (Ed.) Globale Gerechtigkeit – Global Justice . Stuttgart: Frommann-Holzboog (201#).
“Fighting Child Labor Abroad: Conceptual Problems and Practical Solutions” in Verna Gehring (Ed.) Ethical Dimensions of Global Development, Lanham, etc.: Rowman & Littlefield (2006, pp. 47-58).
“Child Labor and Global Inequality: Responsibilities and Policies” in Christine M. Koggel (Ed.) Moral Issues in Global Perspective, 2nd edition Vol. 1, Peterborough and New York: Broadview Press, (2006, pp. 253-264).
“Globalization and Global Governance: A Conceptual Analysis,” In W. P. Heere, (Ed.), From Government to Governance: The Growing Impact of Non-State Actors on the International and European Legal System. Cambridge: Cambridge University Press (2004, pp. 454-462).
“The Ideal of Equality in Political Philosophy” in: Wibren van der Burg and Sanne Taekema (eds.) The Importance of Ideals, Brussels, Oxford, etc.: Peter Lang, (2004, pp. 173-96).
“Group Profiles, Equality, and the Power of Numbers,” in: Anton Vedder (ed.), Ethics and the Internet. Antwerpen, Oxford: Intersentia, (2001, pp. 105–123).