1405-2253 1405-2253 S1405-22532019000200003 10.18232/alhe.951 Ecuador 00 08 2019 00 08 2019 26 2

1992 Banco Central del Ecuador 1993 Banco Central del Ecuador 1997 Banco Central del Ecuador 2000 22 22 2013 1978 2013 1982 92 368 368 825 1995 1985 Quito 1992 1987 2006 1988 1 1 1 11-38 1995 2004 2013 2009 1978 2012 1950 40 2 2 473-85 2016 6 11 11 131-51 1976