Figure 7-4
Following a rash of airplane bombs, the airlines have been forced to increase security at a cost of $30 million per year. The number of inspectors and machines does not vary with the number of passengers-the airlines must have sufficient staff available to handle the full-capacity load. Which graph in Figure 7-4 best illustrates the impact of the security expenditures?
a. 1
b. 2
c. 3
d. 4
c
Economics
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The graph of two variables, x and y, is a horizontal line. This result indicates that x and y are
A) positively related. B) negatively related. C) not related. D) falsely related.
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How do we derive the short-run market supply curve in perfect competition?
What will be an ideal response?
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