1657-4206
1657-4206
S1657-42062020000100080
10.17230/ecos.2020.50.4
Mexico
Mexico
Mexico
Spain
00
06
2020
00
06
2020
24
50
80
115
[
2010
34
2
2
289-316
]
[
2014
19
3
3
247-59
]
[
2005
25
4
4
305-18
]
[
1987
7
1
1
]
[
1988
103
3
3
411-23
]
[
2003
10
2
2
180-93
]
[
2017
34
2
2
940-65
]
[
2014
43
743-9
]
[
2010
4
234-51
]
[
2006
1
249-61
]
[
2012
32
3
3
259-84
]
[
2014
32
3
3
259-84
]
[
1991
17
1
1
99-120
]
[
2001
44
2
2
292-303
]
[
1990
11
3-22
]
[
2002
19
291-306
]
[
2005
60
1
1
137-77
]
[
1995
69-101
]
[
2006
16
28
28
43-56
]
[
2005
43
9
9
1161-85
]
[
1998
36
2
2
63-76
]
[
2015
53
2
2
539-57
]
[
2017
29
5-6
5-6
414-43
]
[
2010
34
3
3
421-40
]
[
2018
29
1
1
62-71
]
[
2012
32
9-10
9-10
502-12
]
[
2008
4
1
1
79-99
]
[
2010
22
3
3
411-26
]
[
2010
48
3
3
302-24
]
[
2016
25
171-85
]
[
2002
84
2
2
298-309
]
[
1994
9
4
4
331-49
]
[
2009
26
4
4
294-303
]
[
2001
79
5
5
135-66
]
[
2016
45
2
2
387-400
]
[
2003
21
289-307
]
[
1997
]
[
2006
361-98
]
[
2010
19
1
1
85-101
]
[
1977
20
1
1
21-33
]
[
2003
18
189-216
]
[
2010
31
1457-73
]
[
2006
21
487-513
]
[
2007
13
5
5
296-322
]
[
2017
22
2
2
79-98
]
[
2003
19-31
]
[
2016
22685
]
[
2010
6
4
4
503-21
]
[
2006
46
3
3
277-305
]
[
2006
8
3
3
175-90
]
[
1990
9
1
1
15-31
]
[
2006
32
6
6
926-50
]
[
2008
26
5
5
531-58
]
[
1994
18
43-62
]
[
2016
]
[
1991
33
3
3
114-35
]
[
2008
]
[
1998
19
293-317
]
[
2012
30
6
6
611-21
]
[
2010
35
2
2
227-44
]
[
2005
28
7
7
1005-28
]
[
2008
]
[
2013
43
1
1
21-36
]
[
2012
13
4
4
462-81
]
[
2008
28
6
6
327-34
]
[
2001
16
3
3
255-83
]
[
2009
23
3
3
45-62
]
[
1999
5
4
4
337-50
]
[
1999
5
4
4
]
[
1992
3
3
3
383-97
]
[
2005
135-51
]
[
2013
24
1
1
18-29
]
[
1999
7208
]
[
1999
54
2
2
471-517
]
[
2016
13
1
1
141-59
]
[
1968
58
2
2
72-83
]
[
1997
]
[
2008
31
3
3
235-63
]
[
2003
28
1
1
63-85
]
[
2018
28
1
1
198-205
]
[
2011
48
1
1
48-74
]
[
2007
36
2
2
172-92
]
[
2017
24
4
4
382-402
]
[
1991
6
3
3
189-208
]
[
2010
34
2
2
261-88
]
[
2020
23
1
1
1-38
]
[
2016
86
3
3
229-57
]
[
2018
44
1
1
32-60
]
[
2009
37
9
9
1453-64
]
[
1990
]
[
1991
5
1
1
97-112
]
[
2001
7
2
2
60-75
]
[
2007
15
4
4
317-38
]
[
1959
]
[
2005
20
3
3
371-91
]
[
2013
37
5
5
1203-28
]
[
2014
]
[
2017
70
]
[
2015
18
3
3
473-511
]
[
1995
1
3
3
44-62
]
[
1986
15
6
6
285-305
]
[
2016
]
[
2010
34
5
5
803-31
]
[
2018
21
3
3
55-63
]
[
2008
4
4
4
365-79
]
[
2019
35
93-116
]
[
1997
35
3
3
1-9
]
[
2000
48
98
98
35-41
]
[
1984
5
2
2
171-80
]
[
2003
27
3
3
247-70
]
[
2009
32
351-74
]
[
2015
33
8
8
840-61
]
[
1991
36
2
2
269-96
]
[
2004
16
5
5
391-412
]
[
2012
31
1
1
3-22
]
[
2015
33
1
1
3-11
]
[
1995
33
2
2
68-73
]
[
1991
6
259-85
]
[
1996
11
4
4
289-321
]
[
2006
43
4
4
917-55
]
[
2010
27
3
3
393-421
]
[
2010
3
1
1
66-75
]