Business Cycle Model

Goods Market (Keynesian Cross), Production Function, and Labour Market

Inputs
Goods Market, national
a
b
I
G
T
Production Function
A
α
K
Labour Market
L/(w/P)
Foreign Trade
m
X
Primary Outputs (steady state values)
Goods Market, national
Y
C
S
Production Function
Y(FE)
Labour Market (Full Employment)
L*
(w/P)*
Business Cycle Policy
Output Gaps
Goods Market
Y - Y(FE)
%
[Y - Y(FE)] / Y(FE) (%)
Labour Market
L
U = L* - L
%
U (%)
Necessary Fiscal Policy for Gap Closing
∆ G
∆ T
Secondary Outputs
Goods Market
C/Y
dY/dI
Y
s
-a
Fiscal policy
D
dY/dG
dY/dT
Production Function
(1-α)
Foreign Trade
M
NX
%
NX / Y (%)