THE INCIDENCE OF THE APPLICATION OF THE REDEEMABLE TAX ON NON-RETURNABLE PLASTIC BOTTLES IN ECUADOR DURING THE PERIOD 2012-2020: Códigos JEL: H22, H23, P28, Q32, Q53. (2021). Revista De La Facultad De Ciencias Económicas, 3(3), 153-179. https://doi.org/10.53591/fce.v3i3.1620