Free PDF Download Available of Sandeep Garg Chapter 1
FAQs on Sandeep Garg Macroeconomics Chapter 1 Solutions: Circular Flow of Income
1. What is the circular flow of income as explained in Class 12 Macroeconomics Chapter 1?
The circular flow of income is a model that illustrates the continuous movement of income and expenditure in an economy. It shows how income flows from firms to households in the form of factor payments (rent, wages, interest, profit) and then flows back from households to firms as consumption expenditure on goods and services. This cycle highlights the interdependence between the major sectors of the economy as per the CBSE 2025–26 syllabus.
2. How do the Sandeep Garg solutions for Chapter 1 help differentiate between stock and flow variables?
The solutions explain that a stock is a variable measured at a particular point in time, while a flow is measured over a period of time. To solve problems correctly, you should:
- Identify if the variable has a time dimension (e.g., per hour, per month, per year). If yes, it's a flow (like national income or investment).
- If the variable is a static quantity at a specific moment (e.g., on 31st March 2025), it's a stock (like wealth or capital).
3. What is the correct method to explain the difference between Real Flow and Money Flow in an exam?
For a high-scoring answer as per the CBSE pattern, you should explain the difference using distinct points:
- Real Flow: This is the flow of actual goods and services between firms and households. Households provide factor services (land, labour) to firms, and firms provide finished goods to households. It is also known as the physical flow.
- Money Flow: This is the corresponding flow of money between firms and households. Firms make factor payments (rent, wages) to households, and households spend this money as consumption expenditure. It is also known as the nominal flow.
4. How should you explain the circular flow in a simple two-sector economy for a board exam question?
To correctly explain the two-sector model, first state its main assumptions: the economy consists only of households and firms, with no government, financial market, or external sector. Then, describe the flows:
- Households supply factor services to firms.
- Firms produce goods and services and make factor payments to households.
- Households use this entire income to buy the goods and services produced by firms.
5. Why is the circular flow of income model considered fundamental to understanding macroeconomics?
This model is fundamental because it provides the basic framework for the entire subject. It helps in:
- Understanding Interdependence: It clearly shows how households and firms depend on each other, which is the core of an economy.
- Foundation for National Income Accounting: The three phases of the circular flow—generation (production), distribution (income), and disposition (expenditure)—form the basis for the three methods of calculating national income.
- Illustrating Equilibrium: It helps introduce the concepts of leakages (like savings) and injections (like investment), which determine if an economy will grow, shrink, or remain stable.
6. What are some common mistakes to avoid when solving problems related to the Circular Flow of Income?
Students often make a few common errors. First, confusing stock and flow variables—always check for a time dimension. Second, mixing up real flow and money flow in diagrams; remember they move in opposite directions. A third major error is confusing factor payments with transfer payments. Remember that factor payments are earned income (for providing a service), while transfer payments (like scholarships or old-age pensions) are unearned and not included in national income calculations.
7. How does adding the government and financial sectors change the basic two-sector circular flow model?
Adding these sectors makes the model more realistic by introducing leakages (withdrawals) and injections (additions) to the flow of income:
- The Financial Sector (banks) introduces a leakage through savings (money households do not spend) and an injection through investment (firms borrowing for capital goods).
- The Government Sector introduces a leakage through taxes (money taken from households and firms) and an injection through government spending.

















