Free Trade and Trade Protection (id: c84afb49d)

本题目来源于试卷: Free Trade and Trade Protection，类别为 IB经济学

[单选题]

Using the diagram above, identify the true statements below.

I. The domestic quantity supplied increased from 100 000 to 150 000 units after the imposition of the quota
II. The quota is equal to 150 000 units
III. The domestic producer revenue increased from $400 000 to $900 000 after the imposition of the quota
IV. The domestic consumer expenditure increased from $1 200 000 to $1 350 000 after the imposition of the quota

A. I and II only
B. I, II, and III only
C. I, III and IV only
D. II, III, and IV only


参考答案:  C


本题详细解析:

C

$\underset{‾}{\text{Explanation}}$:
Statement I is correct: The quota creates a shortage in the market, increasing the price. According to the law of supply, domestic supply increases from 100 000 to 150 000 units.

Statement II is incorrect: The quota is equal to 75 000 units, not 150 000 units.

Statement III is correct: The domestic producer revenue increased from ($\text{\$}$4 $\times$ 100 000 units = $\text{\$}$400 000) to ($\text{\$}$6 $\times$ 150 000 units = $\text{\$}$900 000) after the imposition of the quota.

Statement IV is correct: The domestic consumer expenditure increased from ($\text{\$}$4 $\times$ 300 000 units = $\text{\$}$1 200 000) to ($\text{\$}$6 $\times$ 225 000 units = $\text{\$}$1 350 000) after the imposition of the quota.

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