Sadik-Zada, Elkhan Richard, et al. “Privatization and the Role of Sub-National Governments in the Latin American Power Sector: A Plea for Less Subsidiarity?”. International Journal of Energy Economics and Policy, vol. 8, no. 1, Jan. 2018, pp. 95-103, https://econjournals.com/index.php/ijeep/article/view/5762.