Presentation on diminishing marginal utility by rahul majumder,bba 2011-14,ilead

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Presented by Rahul Majumder Presentation on Law of Marginal Utility 1

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Transcript of Presentation on diminishing marginal utility by rahul majumder,bba 2011-14,ilead

Page 1: Presentation on diminishing marginal utility by   rahul majumder,bba 2011-14,ilead

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Presented by Rahul Majumder

Presentation on

Law of

Marginal Utility

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Law of Diminishing

Marginal UtilityLaw Of Diminishing Marginal Utility

Law

Table With The Graph

Assumptions & Exceptions Of Law

Thank You

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Definition

*The law of diminishing marginal utility describes a familiar and fundamental tendency of human behavior.

*“The law of diminishing marginal utility states that, “as a consumer consumes more and more units of a specific commodity, utility from the successive units goes on diminishing”.

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UTILITY

The consumption of various unit of commodity.

TOTAL UTILITY(TU)

The sum total of satisfaction which a consumer receives by consuming the various unity of the commodity.

(The more unit of a commodity he consumes, the greater will be his total utility)

a law of diminishing marginal utility

MARGINAL

The term marginal refers to the effects of a small change in consumption.

'Marginal considerations are considerations which concern a slight increase or reduction of the stock of anything which we possess.

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Marginal Utility (MU)

The concept of marginal utility grew out of attempts by

economists to explain the determination of price.

•Marginal utility can be defined as a measure of relative satisfaction gained or lost from an increase or decrease in the consumption of that good or service.

•Examples –A motor vehicle or A haircut

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The law of diminishing utility is based upon three facts.

*Firstly

The wants of a man are unlimited but single want can be satisfied.

* Secondly

Different goods are not perfect substitutes for each other in the satisfaction of various particular wants.

*Thirdly

There is no change in the tastes of the consumers. 

Law based upon three facts:-

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*EXAMPLE…..

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*DON’T TRY THIS AT HOME ;)

1 ICE CREAM = ECSTATIC

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*DON’T TRY THIS AT HOME ;)

2nd ICE CREAM = STILL ECSTATIC

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*DON’T TRY THIS AT HOME ;)

3rd ICE CREAM = VERY HAPPY

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*DON’T TRY THIS AT HOME ;)

4th ICE CREAM = HAPPY

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*DON’T TRY THIS AT HOME ;)

5th ICE CREAM = STILL HAPPY

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*DON’T TRY THIS AT HOME ;)

6th ICE CREAM = NOT SO HAPPY

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*DON’T TRY THIS AT HOME ;)

7th ICE CREAM = UNHAPPY

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*DON’T TRY THIS AT HOME ;)

8th ICE CREAM = SICK

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* The following table will make the law of diminishing marginal utility more clear.

Units Total Utility Marginal Utility

1st ice cream 20 20

2nd ice cream 32 12

3rd ice cream 40 8

4th ice cream 44 4

5th ice cream 45 1

6th ice cream 45 0

7TH ice cream 42 -3

8th ice cream 40 -5

The following table will make the law of diminishing marginal utility more clear

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* It is clear that in a given span of time :-

*The first cone of ice cream taken

man gives 20 units of utility.

*When he takes second cone of ice cream,

the marginal utility goes down to 12 units.

*When he consumes fifth cone of water,

the marginal utility drops down to zero and if

the consumption of water is forced further

from this point, the utility changes into disutility (–3), and so on, until he pukes…

*Here it may be noted that the utility of the successive

units consumed diminishes not because they are of

inferior in quality than that of others. We assume that

all the units of a commodity consumed are exactly alike

From The Above Table :-

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1 2 3 4 5 6 7 80

10

20

30

40

50 Total utility

Total utility

The graph will make the law of diminishing marginal utility more clear

1 2 3 4 5 6 7 8

-15-10-505

10152025 Marginal utility

Marginal util-ity

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Assumptions of the Law:-

The assumptions are –

*Cardinality.

*Homogeneity.

*No time gap

*Consumer is rational

*Tastes, preferences, and fashion remain unchanged.

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Exceptions of the Law*Intoxicants.

*  Money.

* Rare collections. Example: collection of the rare stamps and coins

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Thank You

(p.s. No smiley has been hurt during the making of this presentation!!)