Question

Explain the concept of PPC frontier. Use diagram
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Answer 1

Answer:

The production possibility curve represents graphically alternative produc­tion possibilities open to an economy.

Explanation:

Let us suppose that the economy can produce two commodities, cotton and wheat. We suppose that the productive resources are being fully utilized and there is no change in technology. The following table gives the various production possibilities.

Alternative Production Possibilities

It all available resources are employed for the production of wheat, 15,000 quintals of it can be produced. If, on the other hand, all available resources are utilized for the production of cotton, 5000 quintals are produced. These are the two extremes represented by A and F and in between them are the situations represented by B, C, D and E. At B, the economy can produce 14,000 quintals of wheat and 1000 quintals of cotton.

At C the production possibilities are 12,000 quintals of wheat and 200u quintals of cotton, as we move from A to F, we give up some units of wheat for some units of cotton For instance, moving from A to B, we sacrifice 1000 quintals of wheat to produce 1000 quintals of cotton, and so on. As we move from A to F, we sacrifice increasing amounts of cotton.This means that, in a full-employment economy, more and more of one good can be obtained only by reducing the production of another good. This is due to the basic fact that the economy’s resources are limited.

The following diagram (21.2) illustrates the production possibilities set out in the above table.

Production Possibilities Curve

In this diagram AF is the production possibility curve, also called or the production possibility frontier, which shows the various combinations of the two goods which the economy can produce with a given amount of resources. The production possibility curve is also called transformation curve, because when we move from one position to another, we are really transforming one good into another by shifting resources from one use to another.It is to be remembered that all the points representing the various reduction possibilities must lie on the production possibility curve AF and not inside or outside of it. For example, the combined output of the two goods can neither be at U nor H. (See Fig. 21.3) This is so because at U the economy will be under-employing its resources and H is beyond the resources available.