题目内容

A change in which of the following will cause a movement along the supply curve?

A. . a change in the state of technology
B. . a change in taxes
C. . a change in expectations about future prices
D. . a change in the price of the good

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Because cars and gasoline are complements, an increase in the price of gasoline will

A. . increase the demand for cars.
B. . decrease the demand for cars.
C. . increase the demand for gasoline.
D. . decrease the demand for gasoline.

When both supply and demand increase

A. . equilibrium price rises, and so does equilibrium quantity.
B. . equilibrium price falls, but equilibrium quantity rises.
C. . equilibrium quantity rises.
D. . it is impossible to speculate about the results for equilibrium price or equilibrium quantity.

For an inferior good, the demand curve

A. . must have a negative slope.
B. . is likely to be horizontal.
C. . must have a positive slope.
D. . may have a positive slope.

Suppose that the government imposes a business licence fee of $100 on all firms. Profit-maximizing firms that stay in business will respond to this tax by

A. . raising prices to pay the tax.
B. . cutting output to reduce costs.
C. . lowering prices to stimulate sales.
D. . doing nothing.

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