Hegre, Håvard; John R. Oneal & Bruce M. Russett (2010) Trade Does Promote Peace: New Simultaneous Estimates of the Reciprocal Effects of Trade and Conflict, Journal of Peace Research 47(6): 763–774.
Hegre, Håvard; Michael Mousseau & John R. Oneal (2003) How the Wealth of Nations Conditions the Liberal Peace, European Journal of International Relations 9(2): 277–314.
de Soysa, Indra; & John R. Oneal (1999) Boon or Bane? Reassessing the Effects of Foreign Capital on Economic Growth, American Sociological Review 64(5): 766–782.
Bussmann, Margit; Indra de Soysa & John R. Oneal (2009) The Effect of Globalization on National Income Inequality, in New Frontiers in Comparative Sociology. Leiden: (353–377).
Park, Yong-Hee & John R. Oneal (1998) But Power and Wealth Are Satisfying: A Reply to Lemke and Reed, in Journal of Conflict Resolution. (517–520).
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.