If I take a monotonic transformation of the utility function, do I take my marshallian demand derived here from back into the original utility function????
Let U =XY. Here's a way to think about it. To take the partial derivative of this is function with respect to X, set Y = C, where C is just a constant. Then U = XC ,or rewriting U = CX. The derivative of this is just C. Replace the C with the Y variable and you get the correct partial derivative of the function with respect to X, which is Ux = Y. Do the opposite when finding the partial derivative of U with respect to Y; that is set X = C and then take the derivative.
harry james . In this case, we treat y as a constant when we take the partial derivative of U with respect to x. For example, let y equal a constant like 2. So U = 2x. What's the derivative of 2x? Answer = 2, the constant which is represented by y.
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any idea where can I find questions with answers for practice ?
So the Lagrangian method arrives at the same answer, when should I use your method and when should I use Lagrangian? Whats the difference?
it will use when you maximize the utility sorry i know its very late but just saw the video
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If I take a monotonic transformation of the utility function, do I take my marshallian demand derived here from back into the original utility function????
Thanks a lot...Explained so brilliantly and easily...
So the derivative in terms of x/y is always y/x and x/y remains constant?
Let U =XY. Here's a way to think about it. To take the partial derivative of this is function with respect to X, set Y = C, where C is just a constant. Then U = XC ,or rewriting U = CX. The derivative of this is just C. Replace the C with the Y variable and you get the correct partial derivative of the function with respect to X, which is Ux = Y. Do the opposite when finding the partial derivative of U with respect to Y; that is set X = C and then take the derivative.
Thak you so much sir.....love from Pakistan
Is this hicksian demand function??
What is the condition equation "MUx/Px = MUy/Px" ?
+Tuan Nguyen It is the first order conditions -- slope of budget constraint equals slope of indifference curve (marginal rate of substitution)
This video is very helpful😍
Glad it was helpful!
Thanks! Really helped clarify the concept for me.
Can u please make a vedio on "duality between CES indirect utility and expenditure functions ". ?
I hope this helps: ua-cam.com/video/9_LjHSAOSlQ/v-deo.html
Thanks a lot. Your video helped me a lot.
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Very, very helpful. Thanks!!
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really helpful, thank you sooo much
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Why is the derivative of U with respect to x, y?
harry james . In this case, we treat y as a constant when we take the partial derivative of U with respect to x. For example, let y equal a constant like 2. So U = 2x. What's the derivative of 2x? Answer = 2, the constant which is represented by y.
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Very helpful. The denominator on the final equation should be 2PxPy i believe
no it shouldnt
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Very helpful!
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