Class 12 Macroeconomics Sandeep Garg Solutions Chapter 2 - Basic Concepts of Macroeconomics
FAQs on Sandeep Garg Macroeconomics Chapter 2 Solutions
1. What are the key concepts covered in the Sandeep Garg Class 12 Macroeconomics Solutions for Chapter 2, Basic Concepts of Macroeconomics?
The solutions for Sandeep Garg's Chapter 2 provide detailed explanations for the fundamental concepts of macroeconomics. Key topics include:
- The classification of goods into final goods, intermediate goods, consumer goods, and capital goods.
- The distinction between stock variables (measured at a point in time) and flow variables (measured over a period of time).
- The concept of depreciation, also known as the consumption of fixed capital.
- Understanding the circular flow of income in a two-sector economy.
- Definitions of gross investment and net investment.
2. How do the solutions for Sandeep Garg Chapter 2 explain the difference between final goods and intermediate goods?
The solutions clarify that the distinction is based on the end use of the product.
- Intermediate Goods: These are goods used up in the production process of other goods or are purchased for resale within the same year. For example, the flour used by a bakery to make bread.
- Final Goods: These are goods that have crossed the production boundary and are ready for use by their final users, who can be consumers or producers (for investment). For example, a car purchased by a household.
3. What is the correct way to distinguish between stock and flow variables as per the solutions in this chapter?
The solutions for Chapter 2 explain the distinction based on the element of time. A stock is a variable measured at a particular point in time (e.g., wealth as of January 1, 2025). In contrast, a flow is a variable measured over a period of time (e.g., income earned during the month of January). Common examples include:
- Stock: Capital, wealth, money supply, inventory.
- Flow: Investment, income, production, interest on capital.
4. How is depreciation, or 'consumption of fixed capital', treated in the problems of Sandeep Garg's Chapter 2?
In the Sandeep Garg solutions, depreciation is defined as the loss in the value of fixed assets due to normal wear and tear and expected obsolescence. It is the primary difference between gross and net concepts. For instance:
- Gross Investment = Net Investment + Depreciation
- Net Domestic Product (NDP) = Gross Domestic Product (GDP) – Depreciation
5. Why is it a critical error to include the value of intermediate goods when calculating a country's national income?
Including the value of intermediate goods leads to a major error known as the problem of double-counting. The value of an intermediate good (like tires) is already included in the market price of the final good (a car). If we were to count the value of the tires separately and then again as part of the car's final price, we would be counting the same value twice. This would artificially inflate the total value of goods and services produced, giving an inaccurate and overestimated figure for the national income.
6. How do injections and leakages affect the circular flow of income, a concept detailed in the solutions for this chapter?
Injections and leakages are opposing forces that influence the volume of the circular flow of income.
- Injections are additions to the income flow. They include investment (I), government spending (G), and exports (X). These activities increase the demand for goods and services and expand economic activity.
- Leakages are withdrawals from the income flow. They include savings (S), taxes (T), and imports (M). These activities reduce the total expenditure in the economy.
7. Can a single product, like a sewing machine, be classified as both a consumer good and a capital good? Explain how.
Yes, the classification of a good depends entirely on its final economic use, not its inherent properties. A sewing machine is a perfect example:
- When it is purchased by a household for personal use (stitching clothes at home), it is classified as a consumer durable good.
- When the same sewing machine is purchased by a tailoring firm to produce garments for sale, it is classified as a capital good. In this context, it is a fixed asset used in the production process to generate income.

















