Gates, Scott; Håvard Hegre; Mark P. Jones & Håvard Strand (2006) Institutional Inconsistency and Political Instability: Polity Duration, 1800-2000, American Journal of Political Science 50(4): 893–908.
Strand, Håvard; Mark P. Jones; Håvard Hegre & Scott Gates (2007) Democratic Waves? War, New States, and Global Patterns of Democratization, 1800 –2000, presented at Statsvitenskaplig Fagkonferanse, Trondheim, 3–5 March.
Strand, Håvard; Håvard Hegre; Scott Gates & Mark P. Jones (2001) On the Shoulders of Giants: A Multi-Dimensional Representation of Political Systems (MIRPS), presented at the Uppsala Conference on Data Collection, Uppsala, 1 January.
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.