RDP 2018-08: Econometric Perspectives on Economic Measurement
Equation (7)
ln
(
p
t
v
u
)
=
α
t
+
β
′
s
p
e
c
v
+
ε
t
u
v
(
t
=
1
,
…
,
T
;
[
u
|
t
v
]
=
1
,
…
,
U
t
v
)