Between 2001 and 2015, equilibrium college tuition rose from $15,000 to $27,000 and equilibrium enrollment increased from 16 million to 21 million students. These changes could be the result of
A) an increase in demand.
B) an increase in supply.
C) a decrease in demand.
D) a decrease in supply.
A
Economics
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Which of the following is an example of a factor that a firm's owners and managers can control in making the firm successful?
A) the ability to produce the product at a lower cost B) the number of competitors in the market C) changing consumer tastes D) a rise in the price of a key input, for example, a rise in the price of oil leads to higher energy costs
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A vertical aggregate supply curve implies __________ Phillips curve
A) an upward-sloping B) a downward-sloping C) a vertical D) a horizontal
Economics