Understanding Demand Curves and Income Effects

The video explores demand curves for a laptop and a cheap car, illustrating how they satisfy the law of demand. It then examines how changes in income affect demand for these products, categorizing them as normal and inferior goods. For normal goods like laptops, increased income raises demand, shifting the curve right. Conversely, for inferior goods like the cheapest car, increased income reduces demand, shifting the curve left. The video highlights the contrasting effects of income changes on these goods.

What is the relationship between price and quantity demanded according to the law of demand?

• As price increases, quantity demanded increases.

• As price decreases, quantity demanded decreases.

• As price increases, quantity demanded decreases.

• Price and quantity demanded are unrelated.

How does the demand curve for a laptop typically behave when the price is low?

• The quantity demanded decreases.

• The demand curve becomes vertical.

• The quantity demanded increases.

• The demand curve shifts to the left.

What happens to the demand for a cheap car when its price is high?

• The demand curve becomes a straight line.

• More people want to buy it.

• Fewer people want to buy it.

• The demand curve shifts to the right.

What is a normal good in terms of income effect?

• A good for which demand increases as income increases.

• A good that people buy less of when their income decreases.

• A good for which demand decreases as income increases.

• A good that is unaffected by changes in income.

How does an increase in income affect the demand for a laptop?

• The demand decreases.

• The demand remains unchanged.

• The demand curve becomes steeper.

• The demand increases.

What is an inferior good?

• A good that is unaffected by changes in income.

• A good for which demand increases as income decreases.

• A good for which demand decreases as income decreases.

• A good for which demand increases as income increases.

How does an increase in income typically affect the demand for the cheapest car on the market?

• The demand decreases.

• The demand remains unchanged.

• The demand increases.

• The demand curve shifts to the right.

What happens to the demand for an inferior good when income decreases?

• The demand curve becomes vertical.

• The demand increases.

• The demand remains unchanged.

• The demand decreases.

Why might people choose not to buy the cheapest car when their income increases?

• They want to buy a more expensive car.

• They want to buy more of the cheapest car.

• They prefer to save money.

• They find the cheapest car more reliable.

What is the general behavior of demand for normal goods when income decreases?

• Demand increases.

• Demand decreases.

• Demand remains unchanged.

• Demand becomes unpredictable.