In Delaware County, Pennsylvania, all homes, businesses, and other organizations purchase their water from one seller, Philadelphia Suburban Water Co (PSWCo)
Economists refer to public utility companies like PSWCo as natural monopolies because their A) marginal cost curves lie everywhere beneath their average fixed cost curves.
B) marginal cost curves lie everywhere beneath their demand curves.
C) average total cost curves lie everywhere above their demand curves.
D) None of the above answers is correct.
D
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Which statement most accurately captures the state of money today?
A) Money today includes currency, bank deposits and checks. B) Money today includes currency and checks but not bank deposits. C) Money today includes bank deposits and currency but not checks. D) Money today includes bank deposits and checks but not currency. E) Money today includes checks and credit cards.
Why might a nation seek to maintain a pegged exchange rate?
A) It makes business planning easier for firms involved in the global economy. B) It removes the need to intervene in the foreign exchange market. C) It ensures that the exchange rate will remain at its equilibrium. D) It makes their currency more attractive on the foreign exchange market.
If producers who hire labor in a competitive labor market decide to purchase the new automated machine that completes the work of 30 employees, we would expect the labor-demand curve to shift to the:
A. left and wages would rise. B. left and wages would decrease. C. right and wages would rise. D. right and wages would decrease.
Jennifer has just finished high school and is deciding whether to start working or go to college. She has already been offered a job that pays $35,000 a year. Four years of college will cost $12,000 each year. She would earn an extra $20,000 each year after she graduates for the 45 years she plans on working until she retires. Assume that the interest rate is 8.5%. Given this information, what should Jennifer do?
A. Take the job B. Go to college C. Take the job until the interest rate goes down and then go to college D. It cannot be determined from the information given.