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Worksheet: Determination of Income and Employment- 1 | Economics Class 12 - Commerce PDF Download

Short Answer Type Questions


Q1: What are two alternative ways of determining equilibrium level of income ? How are these related ?

Q2: An economy is in equilibrium. Calculate the Marginal Propensity to Save from the following : National Income = 1,000 Autonomous Consumption = 100 Investment= 120

Q3: Calculate Marginal Propensity to Consume from the following data about an economy which is in equilibrium:
National Income = 1,500
Autonomous Consumption Expenditure = 300 Investment Expenditure = 300

Q4: What is ex-Ante consumption? Distinguish between autonomous consumption and induced consumption

Q5: Calculate equilibrium level of income : (i) Autonomous consumption = 200 (ii) Marginal propensity to consume = 0.9 (iii) Investment expenditure = 1,000A

Q6: An economy is in equilibrium. From the following data calculate investment expenditure :
(i) Marginal propensity to consume = 0·9
(ii) Autonomous consumption = 200
(iii) Level of income = 10000

Q7: Calculate Autonomous Consumption Expenditure from the following data about an economy which is in equilibrium : National Income = 900
Marginal Propensity to Save = 0.10 Investment Expenditure = 80

Q8: Calculate “Investment Expenditure” from the following data about an economy which is in equilibrium :
National Income = 700
Marginal Propensity to Consume = 0.8 Autonomous Consumption Expenditure = 70

Q9: An economy is in equilibrium. Find ‘autonomous consumption’ from the following : National Income= 1,000 Marginal Propensity to Consume = 0.8 Investment Expenditure= 100

Q10: S = – 100 + 0.2 Y is the saving function in an economy. Investment expenditure is 5,000. Calculate the equilibrium level of income.

Q11: An economy is in equilibrium. Find Marginal Propensity to Consume from the following : National Income= 2,000 Autonomous Consumption = 400 Investment Expenditure=200

Q12: An economy is in equilibrium. Calculate the Investment Expenditure from the following : National Income = 800 Marginal Propensity to Save = 0.3 Autonomous Consumption = 100

Q13: Calculate “Investment Expenditure” from the following data about an economy which is in equilibrium :
National Income = 700
Marginal Propensity to Consume = 0.8 Autonomous Consumption Expenditure = 70

Q14: Calculate Marginal Propensity to Consume from the following data about an economy which is in equilibrium :
National Income = 2,000
Autonomous Consumption Expenditure = 200 Investment Expenditure = 100

Q15: Shouldn’t greater saving imply greater investment and greater flow of goods and services?

Long Answer Type Questions

Q1: Explain the Consumption Function and Saving Function.

Q2: Given Saving Curve, derive Consumption Curve and state the steps in doing so. Use diagram.
OR
Outline the steps required to be taken in deriving the consumption curve from given saving curve. Use diagram.

Q3: Given Consumption Curve, derive Saving Curve and state the steps taken in the process of derivation.
OR
Outline the steps required to be taken in deriving saving curve from the given consumption curve.
OR
Given a consumption curve, outline the steps required to be taken in deriving a saving curve from it. Use diagram.

Q4: Giving reason state whether the following statements are true or false:
(i) Average propensity to save cannot be negative.
(ii) Value of marginal propensity to consume can be greater than one.
(iii) Average propensity to consume can be greater than one.

Q5: Derive a straight line saving curve using the following consumption saving on function: C = 20 + 0.6Y. Presuming the income levels to be ₹ 100, ₹ 200 and ₹ 300 crore. Calculate that level of income where consumption is equal to income.

Q6: Complete the following table :
Worksheet: Determination of Income and Employment- 1 | Economics Class 12 - Commerce

Q7: In an economy, investment increased by 1,100 and as a result of it income increased by 5,500. Had the marginal propensity to save been 25 percent, what would have been the increase in income?

Q8: When is an Economy in Equilibrium ? Explain with the help of saving and investment functions.
Also explain the changes that take place in an economy when the economy is not in equilibrium.
OR
Explain the determination of equilibrium level of national income using ‘saving and investment’ approach. Use diagram. Also explain the effects if savings is greater than investment.

Q9: Explain the changes that take place when Aggregate Demand and Aggregate Supply are not equal.

Q10: In an economy planned spending is greater than planned output. Explain all the changes that will take place in the economy.

Q11: (i) Define Aggregate Demand. What are its component ?
(ii) From the following data about an economy, calculate its equilibrium level of income.
(a) Marginal Propensity to Consume = 0.75
(b) Autonomous Consumption = 200
(c) Investment = 6,000

Q12: (i) Distinguish between Aggregate Demand and Aggregate Supply. 
(ii) From the following data about an economy calculate its equilibrium level of income.
(a) Marginal Propensity to Consume = 0.8
(b) Investment = 5,000
(c) Autonomous Consumption = 500

Q13: (i) Distinguish between Autonomous Invest-ment and Induced Investment.
(ii) On the basis of the following information about an economy, calculate its equilibrium level of income.
(a) Autonomous Consumption = 100
(b) Marginal Propensity to Consume = 0.75
(c) Investment = 5,000

Q14: (i) Distinguish between Autonomous Consumption and Induced Consumption.
(ii) From the following data about an economy, Calculate its equilibrium level of income.
(a) Marginal Propensity to Consume = 0.5
(b) Autonomous Consumption = 300
(c) Investment = 6,000

Q15: Explain the working of the Investment Multiplier with the help of a Numerical example.

Q16: What is the range of values of investment multiplier ? Clarify the relation of investment multiplier with marginal propensity to consume (MPC) and with marginal propensity to save (MPS).

Q17: Assuming that increase in investment is ₹ 1000 crore and marginal propensity to consume is 0.9, explain the working of multiplier.

The document Worksheet: Determination of Income and Employment- 1 | Economics Class 12 - Commerce is a part of the Commerce Course Economics Class 12.
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FAQs on Worksheet: Determination of Income and Employment- 1 - Economics Class 12 - Commerce

1. What is the meaning of income?
Ans. Income refers to the money or financial gain that an individual or business receives in exchange for providing goods or services. It can be in the form of a salary, wages, profits, dividends, rent, or any other type of payment.
2. How is income determined in an economy?
Ans. In an economy, income is determined by the total value of goods and services produced within a specific period, which is known as the national income. This is calculated by adding up the incomes earned by individuals, businesses, and the government, including wages, salaries, profits, and taxes.
3. What factors determine the level of employment in an economy?
Ans. The level of employment in an economy is determined by various factors, including the demand for goods and services, the availability of resources and labor, government policies, technological advancements, and business cycles. These factors influence the overall economic activity and the number of job opportunities available.
4. Why is it important to measure income and employment in an economy?
Ans. Measuring income and employment in an economy is crucial for several reasons. Firstly, it helps in understanding the overall economic health and performance of a country. It provides insights into the standard of living, poverty levels, and income inequality. Secondly, it helps policymakers in formulating effective economic policies and interventions to address unemployment, inflation, and other economic challenges. Additionally, it assists businesses in making informed decisions regarding production, investment, and expansion.
5. What are the different methods used to calculate national income?
Ans. There are several methods used to calculate national income, including the income approach, expenditure approach, and production approach. The income approach involves adding up the incomes earned by individuals and businesses, such as wages, salaries, profits, and rents. The expenditure approach calculates national income by summing up the total expenditure on goods and services within an economy. The production approach estimates national income by measuring the total value of goods and services produced in different sectors of the economy. These methods provide a comprehensive understanding of the overall economic activity and income distribution in a country.
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