Estudios Económicos de El Colegio de México, vol. 36, no. 2, july-december, 2021 is a biannual publication edited by El Colegio de México, A.C. Carretera Picacho Ajusco, núm. 20, Ampliación Fuentes del Pedregal, C.P. 14110, Tlalpan, Mexico City, Mexico. Contact: Ximena Varela Amaya, Managing Editor, email@example.com, firstname.lastname@example.org. Reservation of Rights of Exclusive Use: 04-2015-111713031100-203; ISSN (print) 0188-6916; ISSN (electronic) 0186-7202, as registered with the National Copyright Institute. The person in charge of updating this issue: Ximena Varela Amaya, date of last update: June 25, 2019. The content of the articles published is the responsibility of the authors, and does not represent the views or opinions of Estudios Económicos or El Colegio de México. The partial or total reproduction of the contents or images published in the journal is authorized, including electronic storage, provided it is strictly for academic purposes and not for profit, and that the source is cited without altering the content, and authorial credits are given.