0121-4772
0121-4772
S0121-47722020000300857
10.15446/cuad.econ.v39n81.73820
Colombia
Spain
00
12
2020
00
12
2020
39
81
857
895
[
2014
33
63
63
421-46
]
[
2005
]
[
2003
21
145-77
]
[
2013
31
71
71
54-63
]
[
2003
]
[
2017
209-24
]
[
2010
]
[
2007
]
[
1973
436-55
]
[
2014
26
2
2
260-76
]
[
1996
64
1001-44
]
[
2010
]
[
2010
]
[
1996
3
86
]
[
2010
]
[
2009
]
[
2017
]
[
1978
33-50
]
[
2005
20
4
4
445-65
]
[
2017
]
[
2008
90
2
2
290-9
]
[
2010
]
[
1973
693-709
]
[
1986
]
[
2002
]