The diagram illustrates a production possibility curve (PPC). Why is the curve normally shown in this shape?
- AInternational free trade exists.
- BOpportunity cost changes.
- CResources are unlimited in supply.
- DSome resources will be unemployed.
Economics 0455 · IGCSE · Production possibility curve (PPC) diagrams
The diagram illustrates a production possibility curve (PPC). Why is the curve normally shown in this shape?