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The Production Possibilities Frontier

The Production Possibilities Frontier. Introduction. The Production Possibilities Frontier (PPF) is a graph that shows all possible combinations of two goods when an economy is producing at full potential. It does not actually show reality, since it assumes only two goods are produced.

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The Production Possibilities Frontier

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  1. The Production Possibilities Frontier

  2. Introduction • The Production Possibilities Frontier (PPF) is a graph that shows all possible combinations of two goods when an economy is producing at full potential. • It does not actually show reality, since it assumes only two goods are produced. • It is a simplification that shows what sort of trade-offs would be made in reality. • It only shows what can be produced – not what would be consumed.

  3. PPF for the Country ALPHA A point on the graph represents how much of each item is being produced. Guns 800 800 Butter

  4. PPF for the Country ALPHA The frontier shows the limit of what can be produced – all possible combinations when all resources are fully utilized. Guns Butter

  5. PPF for the Country ALPHA All resources are being used to produce guns. 1500 Guns Butter

  6. PPF for the Country ALPHA All resources are being used to produce butter. 1500 Guns 2000 Butter

  7. Usually a point is chosen where both items are being produced:

  8. PPF for the Country ALPHA 1100 Guns 1500 Butter

  9. Production may occur anywhere on or within the frontier. It may NOT occur beyond the frontier– there are not enough resources to do so.

  10. PPF for the Country ALPHA At point A (and at any point on the frontier), production is EFFICIENT. A Guns Butter

  11. Efficient production means that all resources are being fully employed to produce the most goods and services possible. Therefore it is impossible to produce more of one item without producing less of the other.

  12. PPF for the Country ALPHA At point B (and at any point inside the frontier), production is INEFFICIENT. B Guns Butter

  13. Inefficient production means not all resources are being fully employed – it is still possible to increase production of both goods. This could occur during a recession or depression, or in a developing country.

  14. The PPF can be used to show tradeoffs. Any two or more points on the frontier represent tradeoffs.

  15. PPF for the Country ALPHA A and B represent tradeoffs. A produces more guns, B produces more butter. A B Guns Butter

  16. The PPF can be used to show the opportunity cost of choosing one alternative over the other.

  17. PPF for the Country ALPHA The opportunity cost of A equals the decrease in butter: 1100 units. A 1400 B Guns 800 600 1700 Butter

  18. PPF for the Country ALPHA The opportunity cost of B equals the decrease in guns: 600 units. A 1400 B Guns 800 600 1700 Butter

  19. The PPF can also show economic growth by moving outward. This may occur due to additional resources, increasing population, or new technology.

  20. PPF for the Country ALPHA Growth Guns Butter

  21. Review • Any point on the graph shows how much of both goods is being produced. • Efficiency is shown by whether the point is on the curve (efficient) or within the curve (inefficient). • Tradeoffs are shown by any two points on the curve. • Opportunity cost is shown by the decrease in one good when the other is increased. • Growth is shown by the frontier moving outward.

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