1665-5346 1665-5346 S1665-53462015000200145 Mexico 00 00 2015 00 00 2015 10 2 145 158

1994 109 2 2 465-90 2004 94 1 1 404 2008 2010 121 121 223-54 2006 1998 12 1 1 37-46 2005 2001 38 1 1 115-32 1999 25 1 1 85-120 1993 2010 42 42 1980 47 188 188 387-406 2004 2003 50 1 1 136-55 2008 2007 2007 2013 27 3 3 21-34 2005 18 2 2 229-60 National Academy of Sciences 2002 OECD 2009 89 89 2011 20 20 1989 41 1 1 150-69 2009 2008 2006