# What is meant by investment multiplier explain its working with the help of a suitable example?

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Investment multiplier shows a relationship between initial increment in investment and the resulting increment in national income. … For example, if an increase in investment of Rs 50 crore causes an increase in national income of Rs 300 crore, then value of multiplier would be 6 (= 300 ÷ 50).

## What is meant by investment multiplier explain with the help of suitable example?

The investment multiplier refers to the stimulative effects of public or private investments. It is rooted in the economic theories of John Maynard Keynes. The extent of the investment multiplier depends on two factors: the marginal propensity to consume (MPC) and the marginal propensity to save (MPS).

## What is meant by investment multiplier explain the working of investment multiplier with the help of a numerical example & relationship between marginal propensity to consume and investment multiplier?

Investment multiplier implies that any change in the investment leads to a corresponding change in the income and output by multiple times. … That is, higher the value of MPC, higher will be the value of investment multiplier and vive-versa. Algebraically, the relationship is expressed as follows.

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## What is investment multiplier explain the working of multiplier with the help of a numerical example?

** Since MPC = 0.8, the income earners speed Rs 800 on consumption. This raises the income of the suppliers of consumption goods by Rs 800. This is second round increase. ** In the similar way the third round increase is Rs 640=800×8.

## What is multiplier explain the working of multiplier?

Explaining Multipliers

A multiplier is simply a factor that amplifies or increase the base value of something else. A multiplier of 2x, for instance, would double the base figure. A multiplier of 0.5x, on the other hand, would actually reduce the base figure by half.

## What is the importance of multiplier?

Multiplier helps in estimating the increase in income as a result of increase in investment. So, multiplier will be of great importance in formulating progressive policies to bring the effects in the economy to right speed.

## What is the concept of multiplier?

In macroeconomics, a multiplier is a factor of proportionality that measures how much an endogenous variable changes in response to a change in some exogenous variable. For example, suppose variable x changes by 1 unit, which causes another variable y to change by M units. Then the multiplier is M.

## What is the formula of investment multiplier?

1, that is, investment multiplier ∆Y/∆I is and its value is equal to 1/1-b where b stands for marginal propensity to consume (MPC). Thus, multiplier =∆Y/∆I =1/ 1-b equals marginal propensity to save (MPS) the value of investment multiplier is equal to 1/1-b = 1/s where s stands for marginal propensity to save.

## What are the types of multiplier?

3 Different Types of Multipliers

• Modified booth/booth multiplier [3, 9]
• Array multiplier [6]
• Wallace tree multiplier [2, 5]
• Combinational multiplier [2]
• Sequential multiplier [1, 21]
• Logarithm multiplier [14, 15, 17, 18].

## What is the value of multiplier when MPC is zero?

When marginal propensity to consume is zero, the value of investment multiplier will also be zero.