Velázquez-Orihuela, Daniel, Juan-Roberto Vargas-Sánchez, and Zeus Salvador Hernández-Veleros. 2019. “The Effect of Public Investment on the Cycle and Economic Growth: A Simple Theoretical Model”. International Journal of Economics and Financial Issues 9 (1):37-50. https://mail.econjournals.com/index.php/ijefi/article/view/7237.