What is investment multiplier. Explain its working using a suitable numerical example.

Explain the working of investment multiplier with the help of a numeical example. Or How an initial increases in investment affects the level of income of the economy? Show its working with a suitable numerical example.

Explain sublimation with a suitable example.

What is co-dominance ?Explain it by citing a suitable example.

Define investment. Explain its types using suitable diagrams. .