Eksamenssett.no
Ressurser
Skolenytt
Hoderegning
ECON1310
Formelark
Makroøkonomi I
eksamenssett.no
Nasjonalregnskap
•
Y
=
C
+
I
+
G
+
N
X
Y = C + I + G + NX
Y
=
C
+
I
+
G
+
NX
•
C
=
c
0
+
c
1
(
Y
−
T
)
C = c_0 + c_1(Y - T)
C
=
c
0
+
c
1
(
Y
−
T
)
•
Multiplikator
=
1
1
−
c
1
(
1
−
t
)
+
q
1
\displaystyle \text{Multiplikator} = \frac{1}{1 - c_1(1-t) + q_1}
Multiplikator
=
1
−
c
1
(
1
−
t
)
+
q
1
1
•
S
−
I
=
(
G
−
T
)
+
N
X
S - I = (G - T) + NX
S
−
I
=
(
G
−
T
)
+
NX
•
P
t
=
Y
t
n
o
m
Y
t
r
e
e
l
t
×
100
\displaystyle P_t = \frac{Y_t^{nom}}{Y_t^{reelt}} \times 100
P
t
=
Y
t
ree
lt
Y
t
n
o
m
×
100
(BNP-deflator)
Arbeidsmarked (WS-PS)
•
W
=
P
e
(
1
−
α
u
+
z
)
W = P^e(1 - \alpha u + z)
W
=
P
e
(
1
−
αu
+
z
)
(WS)
•
P
=
(
1
+
μ
)
W
P = (1+\mu)W
P
=
(
1
+
μ
)
W
(PS)
•
u
n
≈
μ
+
z
α
\displaystyle u_n \approx \frac{\mu + z}{\alpha}
u
n
≈
α
μ
+
z
•
W
P
=
1
1
+
μ
\displaystyle \frac{W}{P} = \frac{1}{1+\mu}
P
W
=
1
+
μ
1
Pengemarked
•
M
=
1
+
c
c
+
θ
⋅
H
\displaystyle M = \frac{1+c}{c+\theta} \cdot H
M
=
c
+
θ
1
+
c
⋅
H
•
M
V
=
P
Y
MV = PY
M
V
=
P
Y
(kvantitetsligningen)
•
M
P
=
k
Y
−
h
i
\displaystyle \frac{M}{P} = kY - hi
P
M
=
kY
−
hi
•
r
=
i
−
π
r = i - \pi
r
=
i
−
π
(Fisher-ligningen)
IS-LM
•
IS:
Y
=
C
(
Y
−
T
)
+
I
(
Y
,
r
)
+
G
Y = C(Y-T) + I(Y,r) + G
Y
=
C
(
Y
−
T
)
+
I
(
Y
,
r
)
+
G
•
LM:
M
P
=
L
(
Y
,
i
)
\displaystyle \frac{M}{P} = L(Y,i)
P
M
=
L
(
Y
,
i
)
•
Taylor:
i
=
r
∗
+
π
+
a
(
π
−
π
∗
)
+
b
(
Y
−
Y
n
)
i = r^* + \pi + a(\pi - \pi^*) + b(Y - Y_n)
i
=
r
∗
+
π
+
a
(
π
−
π
∗
)
+
b
(
Y
−
Y
n
)
AD-AS
•
AS:
P
=
P
e
(
1
+
μ
)
(
1
−
α
u
+
z
)
P = P^e(1+\mu)(1 - \alpha u + z)
P
=
P
e
(
1
+
μ
)
(
1
−
αu
+
z
)
•
AD utledes fra IS-LM ved å variere
P
P
P
•
Mellomlang sikt:
Y
→
Y
n
Y \rightarrow Y_n
Y
→
Y
n
Phillips-kurven
•
π
=
π
e
+
(
μ
+
z
)
−
α
u
\pi = \pi^e + (\mu + z) - \alpha u
π
=
π
e
+
(
μ
+
z
)
−
αu
•
π
t
−
π
t
−
1
=
−
α
(
u
t
−
u
n
)
\pi_t - \pi_{t-1} = -\alpha(u_t - u_n)
π
t
−
π
t
−
1
=
−
α
(
u
t
−
u
n
)
(adaptiv)
•
S
R
=
1
α
\displaystyle SR = \frac{1}{\alpha}
SR
=
α
1
(sacrifice ratio)
Åpen økonomi
•
i
=
i
∗
+
E
e
−
E
E
\displaystyle i = i^* + \frac{E^e - E}{E}
i
=
i
∗
+
E
E
e
−
E
(UIP)
•
ε
=
E
P
P
∗
\displaystyle \varepsilon = \frac{EP}{P^*}
ε
=
P
∗
EP
(reell valutakurs)
•
Δ
E
E
≈
π
−
π
∗
\displaystyle \frac{\Delta E}{E} \approx \pi - \pi^*
E
Δ
E
≈
π
−
π
∗
(relativ PPP)
•
Mundell-Fleming: Flytende → pengepol. effektiv; Fast → finanspol. effektiv
Solow-modellen
•
Y
=
K
α
(
A
L
)
1
−
α
Y = K^\alpha(AL)^{1-\alpha}
Y
=
K
α
(
A
L
)
1
−
α
•
Δ
k
=
s
k
α
−
(
n
+
g
+
δ
)
k
\Delta k = sk^\alpha - (n+g+\delta)k
Δ
k
=
s
k
α
−
(
n
+
g
+
δ
)
k
•
k
∗
=
(
s
n
+
g
+
δ
)
1
1
−
α
\displaystyle k^* = \left(\frac{s}{n+g+\delta}\right)^{\frac{1}{1-\alpha}}
k
∗
=
(
n
+
g
+
δ
s
)
1
−
α
1
•
s
g
o
l
d
=
α
s_{gold} = \alpha
s
g
o
l
d
=
α
•
Steady state vekst:
Y
/
L
Y/L
Y
/
L
vokser med
g
g
g
,
Y
Y
Y
med
n
+
g
n+g
n
+
g
•
Δ
Y
Y
=
Δ
A
A
+
α
Δ
K
K
+
(
1
−
α
)
Δ
L
L
\displaystyle \frac{\Delta Y}{Y} = \frac{\Delta A}{A} + \alpha \frac{\Delta K}{K} + (1-\alpha)\frac{\Delta L}{L}
Y
Δ
Y
=
A
Δ
A
+
α
K
Δ
K
+
(
1
−
α
)
L
Δ
L
(vekstregnskap)