What are the five steps by which economists arrive at a useful economic model?
What will be an ideal response?
1. Decide on the assumptions to use in developing the model.
2. Formulate a testable hypothesis.
3. Use economic data to test the hypothesis.
4. Revise the model if it fails to explain the economic data well.
5. Retain the revised model to help answer similar economic questions in the future.
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In the figure above, the efficient amount of output is
A) 20 units per day. B) 40 units per day. C) 60 units per day. D) 80 units per day.
Which of the following occurs when a market is in equilibrium?
A) quantity supplied is equal to quantity demanded B) supply is equal to demand. C) the price of the good will tend to rise, all else held constant. D) the price of the good will tend to fall, all else held constant.
Suppose New Zealand uses one unit of labor to produce a kiwi and two units of labor to produce an apple. Suppose Australia uses two units of labor to produce a kiwi and one unit of labor to produce an apple. In this case, New Zealand:
A. has a comparative advantage in producing kiwis. B. does not have a comparative advantage in producing either good. C. has a comparative advantage in producing apples. D. has a comparative advantage in producing both goods.
Which of the following statements best describes the 12 Federal Reserve Banks?
A. They are privately owned and privately controlled central banks whose basic goal is to provide an ample and orderly market for U.S. Treasury securities. B. They are privately owned and publicly controlled central banks whose basic function is to minimize the risks in commercial banking in order to make it a reasonably profitable industry. C. They are privately owned and publicly controlled central banks whose basic goal is to control the money supply and interest rates in promoting the general economic welfare. D. They are privately owned and publicly controlled central banks whose basic goal is to earn profits for their owners.