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S-I Approach of Income Determination - The investment function, Macroeconomics Video Lecture | Macro Economics - B Com

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FAQs on S-I Approach of Income Determination - The investment function, Macroeconomics Video Lecture - Macro Economics - B Com

1. What is the investment function in macroeconomics?
Ans. The investment function in macroeconomics refers to the relationship between the level of investment and the factors that influence it, such as interest rates, expected returns, and business expectations. It helps to determine the level of investment in an economy and plays a significant role in determining the overall level of income and output.
2. How does the investment function impact income determination?
Ans. The investment function has a direct impact on income determination. When investment increases, it leads to an increase in aggregate demand, which results in higher levels of income and output. Conversely, a decrease in investment leads to a decrease in aggregate demand and lower levels of income. Therefore, the investment function is an essential component in determining the overall level of income in an economy.
3. What factors influence the investment function?
Ans. Several factors influence the investment function, including interest rates, expected returns on investment, business expectations, government policies, and economic conditions. Lower interest rates generally encourage investment by reducing borrowing costs, while higher expected returns and positive business expectations can also stimulate investment. Conversely, unfavorable economic conditions or government policies may discourage investment.
4. How does the investment function relate to the S-I approach of income determination?
Ans. The investment function is a key component of the S-I (saving-investment) approach of income determination. This approach considers the equilibrium level of income as the point where aggregate saving (S) equals aggregate investment (I). The investment function represents the I component of this equilibrium relationship. By determining the level of investment in an economy, the investment function contributes to establishing the equilibrium level of income.
5. How can changes in the investment function affect economic growth?
Ans. Changes in the investment function can have significant implications for economic growth. An increase in investment, resulting from factors such as lower interest rates or positive business expectations, can lead to higher levels of economic activity and promote economic growth. Conversely, a decrease in investment can hinder economic growth by reducing aggregate demand and limiting the expansion of output and employment. Therefore, understanding and analyzing changes in the investment function is crucial for policymakers and economists to assess and foster economic growth.
59 videos|61 docs|29 tests
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