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Multiplier tells us what will be the
  • a)
    Final change in the income, as a result of change in investment
  • b)
    Final change in the consumption, as a result of change in investment
  • c)
    Change in investment results in the change in income
  • d)
    Final change in the income, as a result of change in consumption
Correct answer is option 'A'. Can you explain this answer?
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Multiplier tells us what will be thea)Final change in the income, as a...
Multiplier and Final Change in Income

What is Multiplier?
Multiplier is a macroeconomic concept that measures the change in income as a result of a change in autonomous spending. It is calculated as the ratio of the change in income to the initial change in spending.

How is Multiplier Calculated?
The formula for the multiplier is:

Multiplier = 1 / (1 - MPC)

Where, MPC is the marginal propensity to consume.

What is Marginal Propensity to Consume?
Marginal Propensity to Consume (MPC) is the proportion of an increase in income that is spent on consumption.

How does Multiplier impact Final Change in Income?
When there is a change in autonomous spending, for example, an increase in investment, the multiplier effect will come into play. The increase in investment will increase the income of those who received the investment, which in turn will be spent on goods and services, thereby increasing the income of those who produced those goods and services. This process continues, resulting in a chain reaction of spending and income generation.

The final change in income will be determined by the multiplier effect. For example, if the multiplier is 2, then an initial increase in investment of $100 will result in a final increase in income of $200.

Hence, the correct answer is option 'A', which states that the multiplier tells us the final change in income as a result of a change in investment. The multiplier effect is an important concept for policymakers as it helps them understand how changes in autonomous spending can impact the overall economy.
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