Bulletin – September 2017
Equation (A2)
u
t
=
u
t
*
+
β
(
0.4
y
˜
t
+
0.3
y
˜
t
−
1
+
0.2
y
˜
t
−
2
+
0.1
y
˜
t
−
3
)
+
ε
u
,
t
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