Frank solutions for Economics [English] Class 12 ISC chapter 2 - Demand and Law of Demand [Latest edition]

The amount of the goods that the consumers actually purchase during a specific period is called ______.

Demand for goods that have multiple uses is called ______.

The functional relationship between the demand for a commodity and the level of income is known as ______.

Those goods the demand for which falls with increase in income and increases with fall in income of the consumer are called ______.

As the price of a good (coffee) falls, the demand for its substitute good (tea) will ______.

If the price of a good (petrol) increases, the demand for its complementary good (cars) will ______.

The law of demand states that with a fall in the price of a good, there is ______.

Inverse relationship between the price of a commodity and the quantity demand (negative slope of the demand curve) can be explained in terms of ______.

Giffin goods are ______.

A downward movement along a demand curve is called ______.

Increase in demand is shown by the demand curve when ______.

Which of the given options for a reason of decrease in demand (leftward shift of the demand curve)

What is meant by an economic good?

Explain the term demand.

Define individual demand.

Define market demand.

What is meant by ex-ante demand?

What is meant by ex-post demand?

Mention any two determinants of demand for a commodity other than its price.

What determines the level of household consumption?

Define Substitute goods.

Define complementary goods. 

What are inferior goods?

Define Giffen goods.

Define Normal goods

When is a good called an inferior good?

What do you mean by a normal good?

Give two examples of a pair of commodities that are substitutes.

Give two examples of a pair of commodities that are complementary to each other.

Give two examples of normal goods.

Give two examples of inferior goods.

How will an increase in price of tea affect the demand for coffee?

How will an increase in price of tea affect the demand for sugar?

How does an increase in income affect the demand for an inferior good?

Explain with an example what kind of a commodity will have an inverse relationship between income and demand.

If the demand for good Y increases as the price of another good rises, how are the two goods related?

If the demand for good Y decreases as the price of another good rises, how are the two goods related?

What happens to the demand for a substitute good of a commodity when its price falls?

If the quantity demanded of commodity X decreases as the householder's income increases. What type of a commodity is X? Give an example.

What is a demand function?

What is meant by price demand.

Give the meaning of Income demand.

Give the meaning of Cross demand.

What is meant by cross price effect? Give two examples to illustrate it.

State the law of demand.

State two factors which determine the demand for a product.

What is a demand schedule?

What do you mean by Demand curve?

What is the shape of a demand curve?

How does an increase in the price of a commodity affect the quantity demanded? Explain it with the help of a diagram.

What is the income effect of a change in the price of a good?

Define substitution effect.

Define income effect.

What is the substitution effect?

Give two exceptions to the law of demand.

What is increase in demand?

What is decrease in demand?

What is an expansion of demand?

What is contraction in demand?

When would a demand curve shift rightwards?

When would a demand curve shift leftwards?

What do you understand by Movement along the demand curve?

What do you understand by Shift of demand curve?

Give a reason for the following:

The demand for a good increases when income of the consumer increases. 

Give a reason for the following:

X and Y are substitute goods. A rise in price of X results in a rightward shift of the demand curve of Y.

How do changes in income of the household affect his demand for a commodity?

Discuss the relationship between income of the consumer and demand for a commodity with respect to normal goods.

Discuss the relationship between income of the consumer and demand for a commodity with respect to inferior goods.

Discuss the relationship between income of the consumer and demand for a commodity with respect to necessities.

Distinguish between normal goods and inferior goods, with examples.

Differentiate between Giffen goods and inferior goods.

Distinguish between substitution goods and complementary goods with examples.

Explain what will happen to the demand for a commodity if the price of its substitution goods falls.

Explain what will happen to the demand for a commodity if the price of its complements falls.

How does the change in the price of related goods affect the demand of a commodity? Explain.

Explain with the help of diagrams the effect of the following changes on the demand of a commodity:

A fall in price of a complementary good

Explain with the help of diagrams the effect of the following changes on the demand of a commodity:

A fall in the income of the buyer

Explain with the help of diagram the effect of the following changes on the demand for a commodity:

A rise in price of substitute goods

Explain with the help of diagrams the effect of the following changes on the demand for a commodity:

A favourable change in the taste of the buyers of the commodity

Explain any three determinants of demand for a commodity by a household.

Explain two factors affecting the demand for a commodity other than its price.

State the law of demand and illustrate it diagrammatically.

Explain why the demand curve slopes downwards.

Explain why the demand curve slopes downwards.

How is law of demand related to law of diminishing marginal utility?

Explain how the following phenomena is an exception to the law of demand

Expectations about future prices.

Explain how the following phenomena is an exception to the law of demand:

Conspicuous consumption by a consumer.

Explain the income effect of a fall in the price of a commodity on its demand.

Explain the substitution effects of a fall in the price of a commodity on its demand.

Explain how income effect is the reasons for the downward slip of the demand curve?

Explain how substitution effect is the reasons for the downward slip of the demand curve?

Explain the situations in which the demand curve slopes upward from left to right.

Differentiate between the expansion of demand and an increase in demand, using diagrams.

Differentiate between decrease in demand and contraction of demand. 

Explain the shift of the demand curve and compare it with the movement along the demand curve with the help of diagrams.

Discuss with the help of a diagram the concept of increase of demand.

Discuss with the help of diagram the concept of extension of demand.

Differentiate between a change in quantity demanded and a change in demand.

Explain briefly any three factors which lead to rightward shift of a demand curve.

Give three reasons which lead to increase in demand of commodity.

Explain any three factors which lead to leftward shift of a demand curve.

Explain any three factors which lead to leftward shift of a demand curve.

Define the following concept:

Demand

Name the factors determining market demand

Explain briefly the factors which influence individual demand for a commodity. 

Explain two factors affecting the demand for a commodity other than its price.

Explain the inverse relationship between price and quantity demanded of a commodity. 

Explain the law of demand.

Explain the exceptions to the law of demand.

Explain the law of demand.

Explain the law of demand with its assumptions.

Explain the exceptions to the law of demand.

What do you mean by Demand curve?

Why does a demand curve slope downward from left to right?

Market demand curve is a horizontal summation of individual demand curves. Explain diagrammatically.

Write an equation to the linear demand function.

Derive a demand curve from the demand function Qd = 20 − 4 P.

All Giffen goods are inferior goods, but all inferior goods are not Giffen goods. Explain.