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Rotation of Production possibility curve

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 Rotation of Production possibility curve: PPC can rotate in following circumstances. 1-Improvement in the technology in the favour of good -X : If there is an improvement in the technology in favour of goods -X then the production of goods-X raise on that the particular resources but production of goods-Y remains the unchanged accordingly PPC rotates. Fig-6 Before the improvement in technology in the favour of goods-X the PPC is ab but after improvement it rotates and be ac. 2-Improvement in the technology in the favour of good -X :  If there is an improvement in the technology in favour of goods -Y then the production of goods-Y raise on that the particular resource but production of goods-X remains the unchanged accordingly PPC rotates. Fig-7 Before the improvement in technology in the favour of goods-Y the PPC is  ab  but after improvement it rotates and be  ac. Note: If any technical improvement done in favour of both goods then PPC will shift, not rotate....
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Cardinal Utility Analysis

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 Concept of utility: it refers to satisfaction derived from the consumption of a goods. In other words want satisfying power of a commodity is called utility Cardinal measurement of utility:  The great economist Alfred  Marshall said we can measure the satisfaction in terms of cardinal numbers like 1,2,3 etc. And standard unit of measuring the satisfaction is called utils. Total Utility: It is the total number of utils derived from the consumption all units of a goods.Ex- If I consume one chocolate and get 10 utils, and again I consume the same chocolate and get 9 utils then total utils =19 utils.                                                                  TU=∑MU                        Marginal Ut...
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Opportunity cost and marginal opportunity cost

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Opportunity cost and marginal opportunity cost Opportunity cost:  It is the cost of availing one opportunity in terms of loss of other opportunity. In other words, it is the cost of shifting resources from one use to the another. It is equal to loss of output in use-1 when resources are shifted from use-1 to use-2. It is also called total opportunity lost. Marginal opportunity cost:  It refers to loss of output of one goods to gain an additional unit of other goods. let's say, if we shift resources from production of goods-y to production of goods-x then we loss 10 units of goods-Y and we gain 2 units of goods-X, then marginal opportunity cost= loss/gain therefore 10/2=5, In easy word, to produce one unit of goods-X we have to sacrifice 5 unit of goods-Y.It is also called marginal rate of transformation. Table-2 Units of Goods-X Units of Goods-Y Opportunity cost Marginal opportunity cost 0 100 - - 10 ...
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