Economic tutorials 1-4 and exam questions

Question I




a 540 0.90 0.90
540 1,80
0 300
i p 0.9130
270 b
b 540 Poto 9QD
Qd 600
Pg
Qd 000 9g 500demanded

Ps O 90s
Qs
Pg
i Qs 100supplied i 400shortageexcessdemand


Cl Qd boo Pd
0.9
Qd 000 100demanded
Yg
Qs 0
5 500 supplied 400surplusexcesssupply
489
Question 2




a 40 12 20
60 12
0 2
p g
bl p 12 20 6
p b 20
0 20 40
b od
i a
Buyersprite 12 211 sellerspulse alll
12 2 4
10

, Question3




Bugdetline U x y ix Y
i 104 100
4
Maximise
Mpyx
MUY
Pu

i
Y
4,1 23
Replace Y 452 into bugdetline
a x 101215 7 100
82 100
2 12.5
4 5
for Tio max utility hecanafford 12.5or xp sory

Question 4




del line
Bug zoo 10 5Y JM 2 4
maximise
Mp Muy
py
LY
10 É
i 2Y X
2g
2xY
200 10x 5 2x
200 10x lox
200 202
10 x
Y 20
totalutility 2 4
21107620
400