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Concept Of The Law Of Diminishing Marginal Utility And Its Assumptions Concept Of The Law Of DiminishingMarginalUtilityThis law was first developed by a German economistHermannHeinrichGossen. This law is also known as thefirst lawofGosse. The law of diminishingmarginalutility states that themarginalutility derived from the consumption of every additional unit goes on diminishing, other thing remaining the same.The law of diminishingmarginalutility is based on twoimportant facts:1. Though human wants are unlimited, each single want is satiable.2.Commodities arenot perfect substitute for each other.Therefore, as a consumer consumes more and more units of a commodity, intensity of his/her want for the commodity goes on falling and reaches a point where a consumer do not want any more units of the commodity. That is, when saturation point is reachedmarginalutility of a commodity becomes zero. Thus, as the amount of consumption of a commodity increases,marginalutility decreases. The second fact is that the differentcommodities arenot perfect substitutes for each other. Hence, when anindividualconsumes more and more units of a commodity, the intensity of his particular want for the commodity diminishes.
Assumptions Of The Law Of DiminishingMarginalUtility
- Consumer should be rational.- Utility can be measured in the cardinal number.-Marginalutility of money remains constant.- All the units of consumption arehomogeneous.- There is continuous consumption of the commodity i.e, there is no time gap between the successive units of consumption.- The units of consumptions are suitable in size.- There is no change in tastes, nature, fashion and habits of the consumer.