This video examines 5 different utility functions, deriving their corresponding marginal utility functions and solving for the marginal rate of substitution.
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@stephentran162 жыл бұрын
This many years later, you sir are still helping students with their homework.
@ramdevgiri9113 жыл бұрын
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@7348334 жыл бұрын
Exactly what I looked for 3 hours. Thanks
@kerrykamala947 Жыл бұрын
I would like to raise an argument, isn't the Marginal Rate of Substition supposed to have a negative sign for instantance MRS = -MU`/MU``
@aberaabeba26539 ай бұрын
thank you teacher this is amezing video it helps me
@thePrahoable8 жыл бұрын
OK I have a question why on the first two problems after taking the derivatin of MUx you added also the y and vice versa and on the last two you didn't add the second factor near the derivative of the first? Thanks a lot very useful but this question came into mind.
@lolita55ful6 жыл бұрын
exactly idk why
@Camcrazy5305 жыл бұрын
Agreed..... wtf
@Jimmyczech14 жыл бұрын
@@Camcrazy530 because in the first few examples he is multiplying the x and y and in the other cases (where he doesn’t use the Y) he’s adding the two. Derivative of x*y by x = y. Derivative of x+y by x is 1.
@isaacgomez6570 Жыл бұрын
@@Jimmyczech1thanks for clearing that up. I was confused for a second there
@callumhatton83544 жыл бұрын
Who's watching in 2020?
@johnblah10403 жыл бұрын
2021
@user-halathegirl Жыл бұрын
2023
@josephchristian2386 Жыл бұрын
2023✋️
@theummahunderthespotlight9 ай бұрын
2024
@jesusistheway18208 ай бұрын
2020 you say. 2023
@awardc23892 жыл бұрын
Thanks for the easy to understand examples
@sithuminijayasekara47823 жыл бұрын
thank you .this video is very useful
@Eddy.aamusic5 жыл бұрын
The only thing I dont understand is how you got the y/2x , the exponent part I dont get I understand how you got 2 but not how the exponents are just gone.
@Lucas-jc2rq5 жыл бұрын
he missed the negative. it should be y/2x^-1
@cosmogamer99144 жыл бұрын
@@Lucas-jc2rq nope, he was right
@uyangabatbold61228 жыл бұрын
This video was very useful. Thanks a lot!
@davecollins74273 жыл бұрын
why did you derive in the beginning? how did that get the MU?
@beastbros453 жыл бұрын
What does it help if all you do is get the answer, I don’t know how to do it
@martaschnitzer4 жыл бұрын
thank you so much this is very helpful youre the best
@yashodaravithanage96863 жыл бұрын
Thank you very much, sir. but I have some questions in the last few examples. why you didn't add constant factor to the derivative factor
@utkarshmantri79582 жыл бұрын
it's a partial derivative, the constant is ignored
@EndriHoxha-pz1bt Жыл бұрын
But he did at the first example
@sebastian-daquanglocknerjr18833 жыл бұрын
whose economics professor is using cruise control and just sending you here?
@shantaislamdipa83042 жыл бұрын
But Why didn’t MRS Equation Being negative?
@karolinesheefeni8121 Жыл бұрын
Thank you very much 🎉
@someonethirsty19579 ай бұрын
Im sure this is wrong. Isnt marginal utility supposed to be diminishing? Wouldn't the marginal utlity be increasing in the first example?
@Weird_Wacky2 жыл бұрын
thank you so much
@EconomicsinManyLessons2 жыл бұрын
You are welcome!
@Tatsgirl49010 ай бұрын
Im so confused on how we get the final answers for the examples , can someone please help me understand how exactly we came from 2xy^3/3X^2y^2 = 2y/3x and 1/3X^-2/3Y^2/3÷ 2/3X^1/3Y-1/3= Y/2x 😭😭💀
@abby-cv4xc Жыл бұрын
Kaç video izledim, 8 yıl önce 8 dakikada anlatılmış video etmiyor
@Frooty283 жыл бұрын
Sir how do we derive the equation of equi marginal utility
@EconomicsinManyLessons3 жыл бұрын
This may help: kzbin.info/www/bejne/bHmXi3uCeaeloLs
@mercytuerijama66985 жыл бұрын
since the 3 is brought down already, from where does the square come on the Y
@EconomicsinManyLessons5 жыл бұрын
You need to subtract 1 from the exponent on Y, which gives Y^(3-1) = Y^2. I did the same thing for the exponent on X.
@shyrese139benjamin4 Жыл бұрын
How do u derive the demand function of X and Y?
@EconomicsinManyLessons Жыл бұрын
Hope this helps: kzbin.info/www/bejne/oHXFh4qXrpuWaJIsi=tJxxucTZrc5oXop7
@Thebt710 жыл бұрын
Why is the marginal utility for y when derived 3x^2 y^2. sorry my calculus is very bad but i could not figure it out.
@EconomicsinManyLessons10 жыл бұрын
U = X^2Y^3 The partial derivative of U with respect to Y = 3X^2Y^(3-1) = 3X^2 Y^2. Notice that the exponent on the Y term was brought down in front and then we subtracted 1 from the exponent on Y, leaving Y raised to the 2nd power. Another way of doing this, which might be easier to understand, is to rewrite the utility function as U = bY^3, where b = X^2. The derivative of bY^3 = 3bY^2. Next, substitute X^2 for b to get your final answer: 3X^2 Y^2.
@Thebt710 жыл бұрын
1sportingclays Thank you, I've watched a couple of times now, starting to pick it up now :)
@barovierkevinallybose10405 жыл бұрын
shouldn't there be a minus sign before ur result?
@EconomicsinManyLessons5 жыл бұрын
You would only put a minus sign in front of the MRS results if you wanted the slope function of the indifference curve.
@rajvirsingh-co1fu3 жыл бұрын
How to solve u(x,y)=x÷logy
@SidraKhatoon-ml2ft7 жыл бұрын
derive marshallian demand function
@tom47235 Жыл бұрын
How come 2/3 - 1 = -1/3?
@EconomicsinManyLessons Жыл бұрын
2/3 - 1 = 2/3 - 3/3 = -1/3. (I changed - 1 to - 3/3 to get the same denominator in the other term, 2/3).
@tom47235 Жыл бұрын
@@EconomicsinManyLessonsthank you for that
@EndriHoxha-pz1bt Жыл бұрын
Who can please answer to this: U=x²+4xy+4y²-20
@arnohaoseb3516 жыл бұрын
(B,Z)=AB^1/a Z^1/B What's the marginal utility
@douga.3666 Жыл бұрын
No i did not go to university... i went to youtube academy)))