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please someone help me with this question.
q1 a . b. http://economicsentrance.weebly.com/uploads/1/1/0/5/1105777/msqe2006.pdf guess answers a) max profit when w1=w2 . L1 =L2 =50. B) the short run output the isoprofit line is y = pie(ie:profit)/p + w/p*x when p and w double, y = pie /2p + 2w/2p *x clearly the intercept term has become smaller, so the output will fall when the price of output and of variable factor doubles. the short run profit : it will double coz earlier the profit was = py -wx ( where x is the variable factor w the price of x , p the price of the product and y is the output.) now when the price of output doubles and w doubles we have profit = 2py - 2wx = 2(py-wx) =2 * earlier profit. please confirm these solutions. thankyou. |
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a). Let the cost function for a sector,
C(Li) = Wi*Li As we Know profit is Maximum for a competitive firm Where, MC=P For Sector-1 MC1=W1 => MC1=P----------(1) Similarly, For Sector-2 MC2=W2 => MC2=P----------(2) From 1 & 2 We get, MC1=MC2 => W1=W2----------(3) Now, f(Li)=15(Li)^1/2 For Sector-1 MPL=15/2*1/(L1)^1/2 --------------------------(4) Similarly, For Sector-2 MPL=15/2*1/(L2)^1/2-------------------(5) We Know that Competitive Firm will hire labor until MPL=W/P-----(6) So, From 3, 4 ,5 & 6 We get, L1=L2=50
M.A Economics
Delhi School of Economics 2013-15 Email Id:sumit.sharmagi@gmail.com |
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In reply to this post by Mauli
b). profit(π)=Py-wx------(1)
y = π/p + w/p*x After Doubling the price in of input as well as output we have, Π’=2Py-2wx Π’=2(Py-wx)------(2) From 1 & 2 Π’=2 Π----(3) Now, y = π’/2p + 2w/2p*x => y = 2π/2p +2 w/2p*x --from(3) => y = π/p + w/p*x Which means the demand of input and production of output by firm will remain same only profit will get double. P.S: you made a small mistake-output will not change..
M.A Economics
Delhi School of Economics 2013-15 Email Id:sumit.sharmagi@gmail.com |
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oh yes!
thanks a lot sumit:) had i found the profit first, i could have avoided doing this stupid mistake:p thanks a lot for pointing it out:) |
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Hey Mauli,
from where u're practicing questions on functions,relations and probability distribution??????
M.A Economics
Delhi School of Economics 2013-15 Email Id:sumit.sharmagi@gmail.com |
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i am doing the maths from sydsaeter and hammonds and probability distributions , i refer john freund.
for relations and functions high school ncert books are also good. |
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thanks for prompt reply mauli....
M.A Economics
Delhi School of Economics 2013-15 Email Id:sumit.sharmagi@gmail.com |
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