0120-6346 0120-6346 S0120-63462018000100167 10.22395/seec.v21n46a7 Colombia Colombia 00 03 2018 00 03 2018 21 46 167 183

Banco de la República 2014 120 2008 178 178 61-4 2006 3 484 2013 385 2014 32 75 2003 687 1968 23 2 2 389-416 1952 7 1 1 77-91 1999 1 3 3 625-31 1997 23 2 2 45-54 2003 117 117 58-62 2017 20 44 44 45-66 1966 2 1 1 63-75 1966 43 1 1 63-75 2014 33 63 63 613-34 2011 30 55 55 127-54 2011 487 1996 9 2 2 511-55