The diagram shows how a rise in the growth rate of national income can bring about a further rise in national income. What should be added to the diagram at points 1, 2 and 3?
- A1: the accelerator; 2: induced investment; 3: the accelerator
- B1: the accelerator; 2: induced investment; 3: the multiplier
- C1: the multiplier; 2: autonomous investment; 3: the accelerator
- D1: the multiplier; 2: autonomous investment; 3: the multiplier