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DSE 2006 21 General Equilibrium Please help!

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MR
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DSE 2006 21 General Equilibrium Please help!

MR
74 posts
This post was updated on Jun 20, 2013; 8:15pm.
http://economicsentrance.weebly.com/uploads/1/1/0/5/1105777/24_june_2006_option_a.pdf
The answer is that this allocation is not a competitive equilibrium but is pareto efficient. I get the pareto efficient part as now to make anyone better off we have to make the other agent worse off. But why is it not a competitive equilibrium? Does the competitive equilibrium in case of two min functions is only the locus joining the diagonals of the origins of both the agents? Someone please explain. I have a hard time in understanding the difference between the two.
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Re: DSE 2006 21 General Equilibrium Please help!

duck
442 posts
HI MR.. :)

An allocation is Pareto Efficient if you move away from it one individual gets worse off and other is equally/strictly better off ie. you cannot make someone better off without making someone else worse off.

An allocation is Competitive Equilibrium allocation if that is utility maximising bundle and market clears.
ie. for Competitive equilibirum, we need to check two conditions:
(i) Given prices, Agents maximize their utility i.e find demand.
(ii) Market clears for all goods.
:)
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Re: DSE 2006 21 General Equilibrium Please help!

maahi
161 posts
In reply to this post by MR
21 >agent 1's dd :
for px=0  as d good is in excess py >0
y = 5 py /px+py = 5
x = at least 5 units of x

agent 2's dd :

x= at least 0 units
y= 0

allocation (3,3)  (7,2)
 since d allcation is nt equal to whta wud be dd . its not a comp eqm . right ?

22 > allocation : (10,5 ) and 0,0
satisfies d dd so comp eqm ..

yay !!

thnks duck
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Re: DSE 2006 21 General Equilibrium Please help!

sakshi
45 posts
maahi thanks ... nice explaination...!!!