Production possibility schedule-
It is the tabular representation of two different goods or services which are being produced at maximum level within an economy with given scarce resources (LLCE).
POINTS
|
GOOD X
|
GOOD Y
|
OPP COST- Y
|
A
|
42
|
00
|
-
|
B
|
37
|
18
|
0.2
|
C
|
28
|
27
|
1
|
D
|
17
|
35
|
1.4
|
E
|
00
|
40
|
3.4
|
Schedule 1
Production possibility schedule- Production possibility curve–
It is the curve, which shows two different goods or services can be produced at maximum level by using the scarce resources (LLCE) land, labour, capital & resources.
Diagram 1
In the above diagram resources has been used to produce good Y and good X. Point a,b,c are the different combinations where production of both the goods are possible in an efficient way, However point e achieved inefficiency as few resources has been utilized to produce both the goods however point d is unattainable as resources are not available to produce at point d.
Question- In the above diagram, Is there any possibility that production will be possible at point d?
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Shift in PPC –
There are two causes behind shift in PPC. PPC may shift outward or right and inward or left. When there will be increase in resources (LLCE) PPC will shift to the right or outward shift whereas when there will be decrease in resources (LLCE) PPC will shift to the left or inward shift.
LLCE= land, Labour, Capital, Enterprise
Diagram 2
In the above diagram, AA’ is initial PPC, due to increase in all or any one of resources (LLCE), PPC shifted outward from AA’ to BB’ and due to decrease in the resources (LLCE) PPC shifted inward from AA’ to CC’.
Movement along PPC-
There might be movement on same PPC from one point to another, In case if the producer or an economy has seen an increase in the demand for Good X, hence resources can be moved from one point to other point to meet the demand by producing more unit of good X and Vice Versa.
In the above diagram we can see, Initial production of good X is 10 units and Good Y is 10 units, When an economy has realized there is an increase in the demand of good X, the resources has been moved from point a to c to produce more of good X and Vice versa for good Y.
Rotation in PPC-
PPC rotates along X axis because of improvement in technology or different techniques in the production of good X.
Diagram 3
In the above diagram PPC rotates from AA’ to AB due to improvement in technology .
PPC rotates along Y axis because of improvement in technology or different techniques in the production of good Y.
Diagram 4
In the above diagram PPC rotates from AA to AB due to improvement in technology.
Shape of PPC or Why PPC concave –
A PPC can be concave to the origin because of increasing opportunity cost. Increasing opportunity cost has been calculated in schedule 1. A concave PPC has been drawn in diagram 5.
Diagram 5
Shape of PPC or why PPC straight line-
A PPC can be straight because of constant opportunity cost. constant opportunity cost has been calculated in schedule 2. A straight PPC has been drawn in diagram 6.
POINTS
|
GOOD X
|
GOOD Y
|
OPP COST- Y
|
A
|
50
|
90
|
-
|
B
|
60
|
80
|
10/10= 1
|
C
|
70
|
70
|
10/10=1
|
D
|
80
|
60
|
10/10= 1
|
E
|
90
|
50
|
10/10=1
|
Diagram 6