Question

1.

The demand curve for a good is very unlikely to be perfectly vertical because

A) scarcity and limited income restrict the ability of consumers to afford goods as they become very expensive.
B) as the price of a good rises to high enough levels, the incentive for other suppliers to invent new substitutes for the good increases.
C) consumers generally do not care about the price of the goods they consume.
D) both a and b are true.

2.

As the period for firms to expand output is lengthened, the elasticity of the market supply curve will

A) approach zero.
B) increase.
C) decrease.
D) remain the same since time does not affect the elasticity of market supply.

3.

The price elasticity of demand for automobiles measures the responsiveness of

A) consumer purchases to a change in the price of automobiles.
B) consumer purchases to a change in the quality of automobiles.
C) supplier production levels to a change in the price of automobiles.
D) consumer purchases of automobiles to a change in their income.

4.

Which of the following is true regarding the price elasticity of demand?

A) Demand is generally more elastic in the long run than in the short run.
B) Along a single demand curve, demand elasticity decreases as you move down the curve (to lower prices).
C) a flatter demand curve (has a less steep slope) is relatively more elastic than a demand curve that has a steeper slope.
D) All of the above are true.

5. (Answer ONE of the Following Question)

• Economists maintain that the price of a product does not affect demand. How can this be true?
• National defence is considered a public good because there appear to be no limits to the nonrivalry-in-consumption characteristic, and exclusion of nonpayers is impossible. Are there any other goods that so perfectly meet both public goods criteria?
• Congressman Local stuff always votes for a balanced budget amendment to the U.S. Constitution. He also always votes for spending bills supported by the leadership of his political party. Is this rational?