Two friends, one an engineer and the other an accountant, decide to form a partnership. If the accountant takes care of the books and the engineer runs the factory, they are likely to enhance the economy's productivity through:
A) scarcity.
B) specialization of labor.
C) a shift in the production possibilities curve.
D) a movement along the production possibilities curve.
Ans: B) specialization of labor.
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Under the liquidity premium theory, the expectation that future short-term rates will be constant results in a yield curve that
A) is flat. B) slopes upward. C) slopes downward. D) is flat, slopes upward, or slopes downward, depending on the size of the term premium at each maturity.
The price of bread in terms of gallons of milk per loaf is 0.6 and the price a gallon of milk in terms of pounds of butter per gallon is 1.2. What is the relative price of bread to butter?
A) 1.39 B) 0.6 C) 0.72 D) 0.50
Consumers know that some fraction x of all new cars produced and sold in the market are defective. The defective ones cannot be identified except by those who own them. Cars do not depreciate with use. Consumers are risk-neutral and value nondefective cars at $10,000 each. New cars sell for $8,000 and used ones for $2,000. (Note that since buyers are risk-neutral, the price of a new car reflects the expected value of purchasing a car that may or may not be defective.) What is the fraction x?
John is an athlete. He has $120 to spend and wants to buy either a heart rate monitor or new running shoes. Both the heart rate monitor and running shoes cost $120, so he can only buy one. This illustrates the principle that
a. trade can make everyone better off. b. people face trade-offs. c. rational people think at the margin. d. people respond to incentives.