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If a monopoly’s fixed costs decrease, its price will ( ) and its profit will ( ).

A. increase, decrease
B. decrease, increase
C. stay the same, increase
D. increase, stay the same

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John has been working as a tutor for $300 dollars a semester. When the university raises the price it pays tutors to $400 , Emily enters the market and begins tutoring as well. How much does producer surplus rise as a result of this price increase? ( )

A. by less than $100
B. between $100 and $ 200
C. between $200 and $300
D. by more than $300

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The demand curve for cookies is downward sloping. When the price of cookies is $2 , the quantity demanded is 100. If the price rises to $3 , what happens to consumer surplus? ( )

A. It falls by less than $100.
B. It falls by more than $100.
C. It rises by less than $100.
D. It rises by more than $100.

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The price of a good rises from $8 dollar to $12 , and the quantity demanded falls from 110 to 90 units. Calculated with the midpoint method, the elasticity is ( )

A. 1/5
B. 1/2
C. 2
D. 5

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Which of the following topics relates to Macroeconomics? ( )

A. a family’s decision about how much income to save
B. the effect of government regulations on auto emissions
C. the impact of higher national saving on economic growth
D. a firm’s decision about how many workers to hire

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If a monopoly’s fixed costs decrease, its price will ( ) and its profit will ( ).

A. increase, decrease B. decrease, increase C. stay the same, increase D. increase, stay the same

John has been working as a tutor for $300 dollars a semester. When the university raises the price it pays tutors to $400 , Emily enters the market and begins tutoring as well. How much does producer surplus rise as a result of this price increase? ( )

The demand curve for cookies is downward sloping. When the price of cookies is $2 , the quantity demanded is 100. If the price rises to $3 , what happens to consumer surplus? ( )

The price of a good rises from $8 dollar to $12 , and the quantity demanded falls from 110 to 90 units. Calculated with the midpoint method, the elasticity is ( )

Which of the following topics relates to Macroeconomics? ( )

A. increase, decrease
B. decrease, increase
C. stay the same, increase
D. increase, stay the same