Информация из Center for Systemic Peace, Polity IV project, см. Приложение 1. См. также: Michael Ross. “Does oil hinder democracy?”, World Politics 53, no. 3 (2001): 325–61; Sarah M. Brooks and Marcus J. Kurtz. “Oil and Democracy: Endogenous Natural Resources and the Political ‘Resource Curse’”, International Organizations 70, no. 2 (2016): 279–311; и Anar K. Ahmadov. “Oil, democracy, and Context: A Meta-analysis”, Comparative Political Studies 47, no. 9 (2014): 1238–67.
