Jeniffer Rubio Centro de Investigaciones Económicas y Empresariales, Universidad de las Américas, Quito, Ecuador   ,   jeniffernathaly.rubio@udla.edu.ec             JEL Areas: E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) F4 : Macroeconomic Aspects of International Trade and Finance: General