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Mathematics 20 Online
OpenStudy (anonymous):

For any level of output, where does the marginal revenue curve lie in relation to the demand curve? **not quite sure :(

jimthompson5910 (jim_thompson5910):

again not 100% sure, but go back to this drawing http://courses.aplia.com/problemsetassets/micro/Lemke_Monopoly_II/computers.gif

jimthompson5910 (jim_thompson5910):

and you can see the relationship between the two curves

OpenStudy (anonymous):

so like the mr curve starts off at the same point as the demand, but it lies below the demand curve?

jimthompson5910 (jim_thompson5910):

yeah it appears MR is always below demand makes sense because you can't get more revenue than what people are willing to pay

OpenStudy (anonymous):

ahh okie :) yay!! thanks!! :D

OpenStudy (anonymous):

@jim_thompson5910 what about this? Where would you draw the industry demand curve on your graph? Why?

jimthompson5910 (jim_thompson5910):

the industry demand curve is the sum of all the individual demand curves

jimthompson5910 (jim_thompson5910):

you sum along the horizontal axis

OpenStudy (anonymous):

okay:) so i would draw it above all the other demand curves because it's the sum? wait sum along the horizontal axis? what does that mean?

jimthompson5910 (jim_thompson5910):

it means that you will have some demand curve that is shifted to the right of the individual firm's demand curve

OpenStudy (anonymous):

okay, so in explaining can i say this? i would draw the industry demand curve shifted more towards the left of the other demand curves because it is the sum of all the other demand curves? would that be correct?

jimthompson5910 (jim_thompson5910):

right, not left

jimthompson5910 (jim_thompson5910):

you go right because you're summing up individual demands

OpenStudy (anonymous):

oh okay oops!! :) noted :)

OpenStudy (anonymous):

ahh okay:) so what is written above (fixing it to right not left) would be an appropriate answer? :O

jimthompson5910 (jim_thompson5910):

yes

OpenStudy (anonymous):

eek! kk thank you:D

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