Zúñiga J., Sergio, and Karla Soria B. “Financial Markets and Product Prediction: Chilean Evidence 1989-1997”. Estudios de Administración 7, no. 1 (June 30, 2000): 67–93. Accessed January 28, 2025. https://revistas.uchile.cl/index.php/EDA/article/view/56758.