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The inverse demand function for video games is p = 240 – 2q and the inverse supply is p = 3+q. When the government imposes a $6 tax on each video game purchased（）

A. both consumers’ surplus and producers’ surplus fall
B. both consumers’ surplus and producers’ surplus increase
C. consumers’ surplus increases and producers’ surplus falls
D. consumers’ surplus falls and producers’ surplus increases

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Regardless of her income and regardless of prices, Amy always spends 45% of her income on clothing and food, 15% on transportation, and 40% on entertainment. This behavior is consistent with the follo

All goods are perfect substitutes
B. Amy’s demands for commodities do not change when their prices change
C. Amy consumes all goods in fixed proportions
D. Amy has a Cobb-Douglas utility function

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You are consuming two goods, hamburgers and soft drink. At your current bundle, the marginal utility you would gain from spending an extra dollar on hamburgers is higher than the marginal utility you

A. It depends on how much income you have
B. Purchase more hamburgers
C. Purchase more soft drink
Don’t change your purchases; you are already consuming the optimal bundle

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Which of the following statements is a normative statement（）

A. The government ought to take some measures to reduce the unemployment rate
B. The unemployment rate is up 1 percentage point from a year ago
C. The unemployment rate is currently at 6.5 percent
D. Based on empirical data, the higher the rate of inflation, the lower the unemployment rate

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Directions: Please match the scientists with their professional field. Choose the answers from the options. 2.biologist（）

A. meanings and psychological effects of words
B. insect forms
C. all forms of living matter
D. microorganisms and their effects

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The inverse demand function for video games is p = 240 – 2q and the inverse supply is p = 3+q. When the government imposes a $6 tax on each video game purchased（）

A. both consumers’ surplus and producers’ surplus fall B. both consumers’ surplus and producers’ surplus increase C. consumers’ surplus increases and producers’ surplus falls D. consumers’ surplus falls and producers’ surplus increases

Regardless of her income and regardless of prices, Amy always spends 45% of her income on clothing and food, 15% on transportation, and 40% on entertainment. This behavior is consistent with the follo

You are consuming two goods, hamburgers and soft drink. At your current bundle, the marginal utility you would gain from spending an extra dollar on hamburgers is higher than the marginal utility you

Which of the following statements is a normative statement（）

Directions: Please match the scientists with their professional field. Choose the answers from the options. 2.biologist（）

A. both consumers’ surplus and producers’ surplus fall
B. both consumers’ surplus and producers’ surplus increase
C. consumers’ surplus increases and producers’ surplus falls
D. consumers’ surplus falls and producers’ surplus increases