1870-719X 1870-719X S1870-719X2016000100268 México 00 06 2016 00 06 2016 63 268 304

1999 2003 96 3 3 1693-703 1991 4 4 2005 1998 2002 Department of Agriculture 1997 107 444 444 1530-47 2000 1982 1-32 1998 1994 1 2 2 23-42 1992 1992 2004 1996 5 1 1 51-87 1998 NAFTA 2003 4 4 1993 1992 1992 1995 1999 1876 1876 1979 2005 87 45-54 2006 2005 165-96 1999 2 2 26-35 1996 1997