SIM UOL August 2012 Intake

chiwawa23

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anibody here did zhangjianlin's econs homework?

the 2nd qn, the one on 1/4unit labor and 1/2 unit capital one, how to do arh

2nd qns done le, not that difficult ah. 3rd qns a bit of problem though for 3(b). How to find cos there is additional of maximum 200 units x, then become got 3 constraints instead of the usual 2.
 

czykent91

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L: 1/4X + 1/2Y (smaller&eql) 100
K: 1/2X + 1/4Y (smaller&eql) 100

use the eqn n plot the graph

Then you'll find that the AT POINT of producing ONLY 180 units of Y, there is inefficiency as evident as the point falls below the new PPF.
 

ff8squall

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L: 1/4X + 1/2Y (smaller&eql) 100
K: 1/2X + 1/4Y (smaller&eql) 100

use the eqn n plot the graph



but I thought the question said 1/4 unit of labour and 1/2 unit capital and not the output x and y? your labour equation states 1 unit of labour produces 4 units of x or 2 units of y? confused
 

INVS 2.0

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anibody here did zhangjianlin's econs homework?

the 2nd qn, the one on 1/4unit labor and 1/2 unit capital one, how to do arh

wah, so fast doing his homework? :eek: I still have PBF and maths homework to do. Getting more loaded as weeks go by. :(
 

czykent91

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but I thought the question said 1/4 unit of labour and 1/2 unit capital and not the output x and y? your labour equation states 1 unit of labour produces 4 units of x or 2 units of y? confused

You must read the line after it. Thus you can conclude that :

1 Labour gives you 4 of X & 2 of Y
1 Capital gives you 2 of X & 4 of Y
 
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chiwawa23

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For qns 3b, is it there is no opportunity cost? Because produce 40 units of y means that the point will lie on the ppf which is at maximum 200 units of x. Then there are 3 constraints. And as the lying point is a straight line which is storage of 200 units of x and 40 units of y are produced, and there is no equation at all.
 

czykent91

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For qns 3b, is it there is no opportunity cost? Because produce 40 units of y means that the point will lie on the ppf which is at maximum 200 units of x. Then there are 3 constraints. And as the lying point is a straight line which is storage of 200 units of x and 40 units of y are produced, and there is no equation at all.

ya, no OC. Btw, the constraint of 200X storage is not part of the new PPF.
As the point falls on the line of the storage constraint. The OC of X to produce one more X is Infinite units of Y (since nomatter how much Y you are willing to sacrifice for X, the max of X's production is still 200 due to storage constraint). Thus the OC of X to produce 40 units of Y is Zero Y.
 

chiwawa23

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ya, no OC. Btw, the constraint of 200X storage is not part of the new PPF.
As the point falls on the line of the storage constraint. The OC of X to produce one more X is Infinite units of Y (since nomatter how much Y you are willing to sacrifice for X, the max of X's production is still 200 due to storage constraint). Thus the OC of X to produce 40 units of Y is Zero Y.

Oh ok, thanks for clearing up my doubts.
 
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