0121-4772 0121-4772 S0121-47722017000300077 10.15446/cuad.econ.v36n72.65820 Colombia Spain 00 12 2017 00 12 2017 36 spe72 77 98

1 2015 2 2015 19-35 3 2006 64 187-94 4 2010 5 2016 5 5 5 1-18 6 2014 23-48 7 2012 42 1 1 15-51 8 2009 9 2009 63 13-80 10 2011 691-714 11 1978 46 1251-71 12 International Labour Organization [ILO] 2011 13 2013 44 129-41 14 2004 32 7 7 1159-78 15 2014 16 2004 17 2010 63 65-113 18 2016 19 2008 21 37 37 211-41 20 2010 2nd