The utility may be defined as the power of commodity or services which satisfy the human wants It has nothing to do with usefulness or harmfulness but simply refers to wheather the goods amp services satisfy human beings or not In economics the goods whether they are useful or not posses uti ID: 1027349
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1. Concept of Cardinal Utility
2. The utility may be defined as the power of commodity or services which satisfy the human wants. It has nothing to do with usefulness or harmfulness but simply refers to wheather the goods & services satisfy human beings or not. In economics the goods whether they are useful or not posses utility which can satisfy human wants.
3. Concept of Cardinal Utility:Cardinal utility is also called traditional approach of utility analysis. According to this approach, utility can be measured in numbers. It means level of satisfaction of a consumer can be assigned in numbers. Law of satisfaction of a consumer can be assigned in numbers. Law of diminishing, Marginal utility & law os substitution are the popular theories developed by using the concept of cardinal utility.
4. Assumption of Cardinal UnityRationality:The consumer should be rational about consuming goods & services & try to maximize satisfaction from available limited resources.Cardinal Measurement of Utility: Under this approach, the utility is measured cardinally. Hence, the satisfaction that consumers gets can be numerically valued.Diminishing Marginal Utility: If the consumers consume the successive units of a commodity one after another the utility declines. Hence, the satisfaction which is derived from the consumption of an extra unit of a commodity declines.
5. Assumption of Cardinal Unity4. Budget Constraint: It is assumed that consumer has a limited money income to spend on goods & services.5. Utility is Additive: It is assumed that utilities are additive as shown below: TU = U(n1) + U(n2) + U(n3) + ..... + U(nn).6. Constant Marginal Utility of Money: It is assumed that the marginal utility of money remains constant. An increase or decrease in income of the consumer doesn't change the marginal utility of money.
6. There are three types of utility:Total utilityMarginal utilityAverage utility
7. 1) Total utilityTotal utility which a consumer obtains by consuming all units of a commodity in certain time period is known as total utility. If a consumer consumes n units of commodity, total utility can be expressed as :TU = (MU1 + MU2+ ............ MUn)Where,TU = Total utilityMU1 + MU2+ ............ MUn are the marginal utilities derived from 1st unit, 2nd unit, ...... nth unit respectively.
8. 2) Marginal utilityThe utility which a consumer obtains by the consuming extra units of the commodity is known as marginal utility. In other words, marginal utility is change in total utility due to change in total utility due to change in unit of consumption of the commodity. Symbolically, MU = ΔTU/ Δ QWhere,MU = Marginal UtilityTU = Total UtilityΔ = ChangeQ = Unit of commodity
9. 3) Average Utility:The satisfaction joined by the consumer from per unit commodity consumed is called average utility. It is also defined as total utility divided by units of the commodity consumed.Symbolically,AU= TU / QWhere,AU = Average UtilityTU = Total UtilityQ = Unit of commodity
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11. Law of Diminishing Marginal Utility (DMU)The Law of Diminishing Marginal Utility (DMU) can be used to explain consumers equilibrium in case of a single commodity. Therefore, all the assumptions of Law of DMU are taken as assumptions of consumer's equilibrium in case of single commodity. A consumer purchasing a single commodity will be at equilibrium, when he is buying such a quantity of that commodity which gives him maximum satisfaction. The number of units to be consumed of the given commodity by a consumer depends on 2 factors.1. Price of the given commodity.2. Expected utility from each successive unit.To determine the equilibrium point, consumer compare the price of the given commodity with its utility. Being a rational consumer, he will be at equilibrium when marginal utility is equal to price paid for the commodity.
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