“Relations of Endogeneity and Cointegration Between Tax Collection, Gross Domestic Product and Gross Private Sector Investment in Ecuador 2000-2021”. Revista Perspectivas, no. 52 (November 30, 2023): 27–60. Accessed November 4, 2026. http://perspectivas.ucb.edu.bo/index.php/a/article/view/17.