3 MRS conditions for Cobb Douglas, Perfect Complements and Perfect Substitutes


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In the following videos, we try to find MRS for several utility functions, say, cobb douglas, perfect complements, perfect substitutes. MRS calculates the rate at which one good is substituted for another, keeping utility constant. MRS for Cobb Douglas changes at every point along an indifference curve. MRS for perfect complements is same along a vertical or horizontal strip, while it is not defined at the kink. In case of perfect substitutes, MRS is same along the entire indifference curve.

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5 Mathematical Derivation of Demand Curves of Cobb Douglas, Perfect Complements, Perfect Substitutes, Quasi-linear and max utility functions


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In the following videos we show how to derive marshallian demand vector of the form x*(p,m) and y*(p,m)

Budget equation is m=p1x + p2y

We have several utility functions. Our motive is to derive maximum utility subject to the budget or income given. Continue reading