s:598:"%T Conflict, Cooperation, and Institutional Change on the Commons %A Coleman, E.A. %A Mwangi, E. %X Rational choice scholarship posits two principal theories to explain why political institutions emerge and change: cooperation theory and conflict theory. We evaluate cooperation theory and conflict theory to explain the emergence of common property institutions among a group of Maasai pastoralists in southwestern Kenya. Our empirical results show that the change to common property is best explained by conflict theory.Replication data is available at: https://doi.org/10.7910/DVN/25531 ";