Ordinal approach to consumers behavior презентация

Слайд 1How to analyze the demand and consumer behavior?
2


Слайд 2
…it is difficult to link the subjective preferences of consumers to

changes in prices, income and other market variables that are objective…

Слайд 3The ordinal approach to the consumer balance


Слайд 4The combinations of goods
should be arranged in the order of

preference



Слайд 5
assumption: consumers can define packages of goods and services in

the order of preferences

Слайд 6Function of total utility
The quantity of goods consumed in the accounting

period

Слайд 7The quantity of goods (or packages of goods) consumed in the

accounting period

Function of total utility


Слайд 8This equation describes some surface in three-dimensional space


Слайд 9
Quantity of Y, consumed for some definite period
Quantity of X, consumed

for some definite period

Слайд 10Indifference curve is the sum of all combinations of goods X

and Y, which provide the same level of total utility or satisfaction
Indifference map is a chart that reflects indifference curves

Слайд 11Curves U1, U2, U3 - three multitudes of the many possible

levels of utility from consumption of different combinations of X and Y for the same period

Quantity of Y, consumed for some definite period

Quantity of X, consumed for some definite period


The rate at which the consumer is willing to make such substitution is called the marginal rate of substitution

Marginal rate of substitution X by Y (MRSху) - the number of Y units consumer decline to purchase one additional unit of X under the condition of constant total utility

Measurement: absolute inclination of indifference curve at the point of consumption


Слайд 12Is there a correlation between the marginal utility and marginal rates

of substitution?


Internet

Water


Слайд 13] consumption of Y is reduced by ∆Y
that leads to

the loss of utility - ∆Y MUy units of utility

Quantity of Y, consumed for some definite period

Quantity of X, consumed for some definite period



Слайд 14
But total utility remains unchanged, loss from -∆Y is offset by

the increased consumption of X

The inclination of the indifference curve

Quantity of Y, consumed for some definite period

Quantity of X, consumed for some definite period


Слайд 15

Quantity of Y, consumed for some definite period
Quantity of X, consumed

for some definite period



Слайд 16
The utility measurement:
∆Uу = - ∆У MUy = - 4,2 MUy
The

lost utility is offset by two more units of X


∆Uх = ∆Х MUх = 2 MUх

Quantity of Y, consumed for some definite period

Quantity of X, consumed for some definite period



Слайд 17
As total utility at B = total utility at A, than:


2 MUх = - 4,2 MUy



Quantity of Y, consumed for some definite period

Quantity of X, consumed for some definite period


Слайд 18
Switch from В to С:


Quantity of Y, consumed for some definite

period

Quantity of X, consumed for some definite period


Слайд 19
Switch from С to D:


Quantity of Y, consumed for some definite

period

Quantity of X, consumed for some definite period


Слайд 20The more X is consumed, the less is its marginal utility

in comparison with the Y marginal utility, i.e. MRSxy decreases with increasing consumption of X

Quantity of Y, consumed for some definite period

Quantity of X, consumed for some definite period



Слайд 21Constantly decreasing MRS is a logical result of the assumption that

the marginal utility of the product decreases as we acquire more of it


Ех:


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