Figure 15-1
Figure 15-1 describes conditions in the monopolized weezil industry. If the government replaces the monopolist with perfectly competitive firms and forces these firms to take account of all the costs and benefits they impose on society, the industry will produce an output equal to
A. W.
B. X.
C. Y.
D. Z.
Answer: C
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If the price of good X (measured on the horizontal axis of a budget line diagram) increases at the same time that the price of good Y (measured on the vertical axis) decreases, the budget line
a. will become flatter b. will become steeper c. could become either steeper or flatter, depending on the sizes of the price changes d. will rotate about its original point of intersection with the horizontal axis e. will shift outward, but not in a parallel fashion
In this graph, which of the following shows that profits have been eliminated in the long run?
a. The MC curve is tangent with the MRLR
b. The ATC curve is tangent with DLR
c. The MC curve crosses DLR
d. The MC curve crosses ATC curve
Starting from long-run equilibrium, an increase in autonomous investment results in ________ output in the short run and ________ output in the long run.
A. lower; potential B. higher; higher C. lower; higher D. higher; potential
If the annual interest rate is i, the present value of $X to be received at the end of each future year forever is:
a. $X/(1 + i) b. $X/i c. $X/(1 + i) n d. $X/i n e. $X n /i n