Compute marginal utilities and marginal rate of substitution for each of the utility functions given below. In each case. explain whether the assumptions of diminishing marginal utility and diminishing marginal rate of substitution are satisfied or not. a) U(X,Y) = 2X-Yy: %3D b) U(X,Y) = XY + 3X + SY c) U(X,Y) = (0.3X +0.7Y") d) U(X,Y) = In (5VX + 2VY) %3D

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Form Utility

The term utility in general refers to the satisfaction earned from usage of a particular product or service. Utility always plays an important role because it influences various important elements like demand & thereby the price of the good or service as well. Though utility is not easy to measure, various types of economic models can be used indirectly. There can be various types of utilities like economic utility, marginal utility, cardinal utility, form utility.