RDP 9809: Estimating Output Gaps
Equation (A.2)
[
μ
t
y
y
t
p
z
t
z
t
−
1
]
=
[
1
0
0
0
1
1
0
0
0
0
ϕ
1
ϕ
2
0
0
1
0
]
[
μ
t
−
1
y
y
t
−
1
p
z
t
−
1
z
t
−
2
]
+
[
0
0
1
0
0
1
0
0
]
[
ε
t
y
ε
t
z
]
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