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Research Discussion Paper – 1974
Equation
W
E
•
=
Δ
W
E
W
E
P
N
•
=
Δ
P
N
P
N
P
T
•
=
Δ
P
T
P
T
Q
•
=
Δ
Q
Q
t
P
•
=
Δ
(
1
+
T
P
)
(
1
+
T
P
)
t
Y
•
=
Δ
(
1
−
T
Y
)
(
1
−
T
Y
)
t
I
•
=
Δ
(
1
−
T
I
)
(
1
−
T
I
)
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