2306-9155
2306-9155
S2306-91552020000100207
Ecuador
00
06
2020
00
06
2020
14
1
207
234
[
1991
50
2
2
179-211
]
[
2015
4
4
18-31
]
[
2005
]
[
2014
2
4
4
335
]
[
2004
28
4
4
305-28
]
[
1983
2
2
223-44
]
[
2001
18
1
1
85-93
]
[
2018
2
3
3
46-72
]
[
2012
25
3
3
258-79
]
[
2015
1
1
44-64
]
[
1998
11
3
3
219-28
]
[
2017
7
1-2
1-2
54-64
]
[
2007
52
1
1
106-37
]
[
2014
27
4
4
365-85
]
[
1989
]
[
2013
34
3
3
19-24
]
[
2014
]
[
2002
]
[
2006
9
1
1
123-46
]
[
2014
]
[
1991
1
1
1
61-8
]
[
2001
61
1
1
20-52
]
[
1970
]
[
Price Waterhouse Coopers
2018
]
[
2006
]
[
2005
29
1
1
13-33
]
[
1990
]
[
2012
3
1
1
119-39
]
[
2006
12
ext
ext
73-8
]
[
2005
18
4
4
283-303
]
[
2013
5th
]
[
2017
]