ECON 2202 Lecture 18: Ch4. The Malthusian Model (chapter7 in the textbook)Lecture18
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Ch4. The Malthusian Model (chapter7 in the textbook)
2 important relation:
Population growth:
๐
(
๐
)
= 1 + ๐๐๐๐ข๐๐๐ก๐๐๐0๐๐๐๐ค๐กโ0๐๐๐ก๐
Ex: 1+2%=1.02
Consumption per person:
๐ = 5
6=7
6=89:6;<:
6= ๐ง
>
9
6
?
@= ๐ง๐@
๐ = ๐ง๐@
(0<a<1)
c'
l'
Case 1: One time increase in Z
C-g(c). Move along the curve.
C-l. curve goes higher.
Case 2: A war occurs, kills a fraction of N
Case 3: Discovery of new land.
Case 4: A mass migration
Lecture2
Thursday, November 8, 2018
11:05 AM