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The Wall Street Journal (March 12, 2015, p. B6) reported tha…

The Wall Street Journal (March 12, 2015, p. B6) reported that Shake Shack, at the time a new entrant into the hamburger market, lost money because of an increase in the price of beef. Shake Shack executives indicated that they wouldn’t increase the price of their hamburgers in response to their higher costs. This suggests that ________. Select all that apply.

The following graph applies to questions 21 and 22. Visual…

The following graph applies to questions 21 and 22. Visual Description The shown graph has quantity on the x-axis and price/cost on the y-axis. Three lines are drawn on the graph: Lines A, B, and D. Lines A and B both have positive slopes, while D has a negative slope. Line A passes through (800, $10) and (1000, $12) while line B passes through (800, $4) and (1000, $6). Line D passes through line A at (800, $10) and passes through line B at (1000, $6). Suppose that A represents the marginal social cost of an activity and that B represents the marginal private cost. In the absence of government intervention, this industry would produce ________.

Suppose that the Federal government can, at some cost to its…

Suppose that the Federal government can, at some cost to itself (and, hence, to all of us), penalize banks for the risks they take on. Suppose, further, that beyond some point, the value to the government and to all of us of things the government might do with the money used for risk reduction is greater than the cost of a little risk. Finally, assume that the Federal government pursues policies consistent with what you know about optimal choices. Then, from an efficiency perspective, it should be the case that  ________.