Bob's Books is the only bookstore in town. The figure above shows the demand curve for books and Bob's Books' marginal revenue curve and marginal cost curve
Bob's Books maximizes its profit and sets the price of a book equal to ________ and has total annual revenue of ________. A) $40; $40,000
B) $30; $60,000
C) $20, $60,000
D) $10; $40,000
B
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John is trying to decide how to divide his time between his job as a stocker in the local grocery store, which pays $7 per hour for as many hours as he chooses to work, and cleaning windows for the businesses downtown. He makes $2 for every window he cleans. John is indifferent between the two tasks, and the number of windows he can clean depends on how many hours he spends cleaning in a day, as shown in the table below:Hours PerDay CleaningWindowsTotal Numberof WindowsCleaned0017211314416517If we plot John's opportunity cost per window on the vertical axis and the number of windows cleaned each day on the horizontal axis, we will have John's ________ curve for window-cleaning services.
A. supply B. benefit C. production possibilities D. demand
The four-firm concentration ratio of the aircraft industry is over 80 percent. Most economists would consider this industry an oligopoly
Indicate whether the statement is true or false
Geographic restrictions on banks
A) reduce their ability to take advantage of economies of scale. B) raise the costs of their providing risk-sharing, liquidity, and information services. C) reduce their exposure to credit risk. D) reduce the amount of local lending they undertake.
The global financial panic in September 2008 that led to a sharp fall in business investment spending and consumer spending can be viewed as: a. a sharp decrease in aggregate supply
b. a sharp decrease in aggregate demand. c. a sharp decrease in both aggregate supply and aggregate demand. d. a modest increase in aggregate supply. e. a modest increase in both aggregate demand and aggregate supply.