Ronderos, Nicolas. “Predictable Variations of Income and Its Effect on Consumption. An Analysis for Colombian Economy”. Revista CIFE: Lecturas de Economía Social 20, no. 33 (July 1, 2018): 17–37. Accessed October 5, 2026. https://revistas.usantotomas.edu.co/index.php/cife/article/view/4874.