AGHELI, L. The nexus between size and efficacy of government: evidence from OPEC. Journal of Economics and Political Economy, [S. l.], v. 4, n. 3, p. 275–284, 2017. Disponível em: https://journals.econsciences.com/index.php/JEPE/article/view/1370. Acesso em: 16 mar. 2026.