The Companion lays out a comprehensive history of the field and, in five additional parts, it explores public choice contributions to the study of the origins of the state, the organization of political activity, the analysis of decision-making in non-market institutions, the examination of tribal governance and to modeling and predicting the behavior of international organizations and transnational terrorism.

The Companion lays out a comprehensive history of the field and, in five additional parts, it explores public choice contributions to the study of the origins of the state, the organization of political activity, the analysis of decision-making in non-market institutions, the examination of tribal governance and to modeling and predicting the behavior of international organizations and transnational terrorism.