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Questions
What is meant by the income effect of a fall in the prices of a commodity?
Explain how income effect is responsible for the negative slope of the demand curve.
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Solution
A change in demand due to change in real income resulting from change in the price of a commodity is known as the income effect. For example, a fall in the price of a commodity increases the real income, i.e., the purchasing power of the given money income increases. The consumer can now afford to buy more of the commodity with his given money income. Accordingly demand for the commodity increases.
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Distinguish between extension and contraction of demand.
Write a statement of the Law of Demand.
State with reason whether you agree or disagree with the following statement :
When price of Giffen goods fall, the demand for it increases.
The following table shows the demand schedule for 3 consumers in a market.
| Price in (Rs) | Consumer 1 Demand in (kgs) | Consumer 2 Demand in (kgs) | Consumer 3 Demand in (kgs) | Market Demand |
| 10 | 1 | 2 | (i) ______ | 6 |
| 8 | 2 | (ii) ______ | 4 | 9 |
| 6 | 3 | 4 | 5 | 12 |
| 5 | 4 | 5 | 6 | (iii) ______ |
Based on the above hypothetical schedule answer the following questions.
- What is the demand of Consumer 3 priced at Rs 10 (i)
- What is the demand of Consumer 2 priced at Rs 8 (ii)
- Calculate the total market demand priced at Rs 4 (iii)
- From the above given table examine the relationship between price and demand.
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Giffen goods are richman's goods
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