1870-3453 1870-3453 S1870-34532015000400926 10.1016/j.rmb.2015.10.001 MX MX MX ES 00 00 2015 00 00 2015 86 4 926 933

1970 1999 55 751-66 1995 46 202-20 2004 357-73 1902 3 63-128 1955 2005 2008 2015 94 242-51 2003 13 91-110 Statistica S.I. 2001