Demand & Supply in Economics

Which of the following best describes demand?

• The ability of producers to make goods

• The willingness and ability of consumers to purchase a good or service at a given price level

• The cost of producing a good

• The number of sellers in a market

Answer explanation

Demand is defined as the willingness and ability of consumers to purchase a good or service at a given price level. This highlights the consumer's role in the market, unlike the other options which focus on production or supply.

If the price of a good is too high for consumers, what happens to demand?

• Demand decreases

• Demand increases

• Demand stays the same

• Demand is not affected

Answer explanation

When the price of a good is too high, consumers are less willing or able to purchase it, leading to a decrease in demand. Therefore, the correct answer is that demand decreases.

What factor is shown to decrease in the diagram?

• Price

• Ability

• Willingness

• Demand

Answer explanation

The diagram indicates a decrease in price, which is the correct answer. As price decreases, it often leads to changes in demand and willingness, but the specific factor shown to decrease is price.

If someone has the "ABILITY" to buy the car, what does it mean?

• They can afford it

• They can drive it

• They can fix it

• They can rent it

Answer explanation

Having the "ABILITY" to buy the car means they can afford it, indicating financial capability. The other options relate to skills or services, not the financial aspect of purchasing.

What is the main focus of the diagram?

• Factors influencing car purchase

• Car engine types

• Car maintenance

• Car colors

Answer explanation

The diagram primarily illustrates the various factors that influence car purchases, such as price, brand, and features, making 'Factors influencing car purchase' the correct choice.

What is the relationship between price and ability as shown in the diagram?

• As price decreases, ability increases

• As price increases, ability increases

• Price and ability are unrelated

• As price decreases, ability decreases

Answer explanation

The diagram shows an inverse relationship: as price decreases, the ability to purchase or access something increases, indicating that lower prices enhance ability.

What does the diagram imply about the relationship between price and willingness?

• Lower price may increase willingness

• Higher price increases willingness

• Price and willingness are unrelated

• Willingness decreases as price decreases

Answer explanation

The diagram suggests that as the price decreases, consumers may feel more willing to purchase, indicating that lower prices can enhance willingness to buy.

Which of the following is an example of "ability" as shown in the diagram?

• Having enough money to buy the car

• Liking the car's color

• Knowing how to drive

• Wanting a different car

Answer explanation

The correct choice, 'Having enough money to buy the car', represents 'ability' as it indicates the financial capacity to make a purchase, unlike the other options which reflect preferences or knowledge.

Which of the following best describes the law of demand?

• As price increases, quantity demanded decreases.

• As price increases, quantity demanded increases.

• As price decreases, quantity demanded decreases.

• Price and quantity demanded are unrelated.

Answer explanation

The law of demand states that as price increases, the quantity demanded decreases. This reflects consumer behavior where higher prices typically lead to lower demand for a product.

Which of the following best illustrates an inverse relationship?

• As temperature rises, the need for heating decreases.

• As temperature rises, the need for heating increases.

• As temperature rises, the need for heating stays the same.

• As temperature rises, the need for heating is random.

Answer explanation

The correct choice illustrates an inverse relationship because as temperature rises, the need for heating decreases. This means that higher temperatures lead to a lower demand for heating, which is the essence of an inverse relationship.