In short-run equilibrium in a perfectly competitive market,
a. each firm earns an economic profit
b. each firm earns a normal profit
c. firms shut down if price exceeds average total cost
d. each firm takes consumers' marginal utility as given
e. peach firm takes the market price as given
E
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Which of the following events will increase the quantity demanded of bottled water?
A) a fall in the price of bottled water B) a rise in the price of bottled water C) a rise in the price of a fitness club membership D) a fall in the price of soda E) an increase in the number of buyers of bottled water
Using the figure above, suppose education is provided by public colleges, where tuition is set at $10,000 a year
When the market is in equilibrium, the marginal social benefit is ________, the marginal cost is ________, and the number of students enrolled is ________. A) $25,000; $25,000; efficient B) $25,000; $10,000; inefficient C) $15,000; $25,000; inefficient D) $15,000; $15,000; efficient E) $25,000; $15,000; inefficient