RDP 2018-08: Econometric Perspectives on Economic Measurement
Equation (12)
P
^
i
,
j
g
e
n
e
r
a
l
≡
a
v
e
r
a
g
e
(
{
p
j
u
v
q
u
a
l
i
t
y
j
v
}
)
a
v
e
r
a
g
e
(
{
p
i
u
v
q
u
a
l
i
t
y
i
v
}
)