Which of the following statements is true?
a. Few economic models incorporate assumptions.
b. Different economic models employ different sets of assumptions.
c. good economic models should attempt to mimic reality as closely as possible.
d. Economic models, to be accepted, must be tested by conducting experiments.
Answer: D
Macroeconomics
- Suppose that a worker in Radioland can produce either 4 radios or 1 television per year, and a worker in Teeveeland can produce either 2 radios or 4 televisions per year. Each nation has 100 workers. Also suppose that each country completely specializes in producing the good for which it has a comparative advantage. If Radioland trades 100 radios to Teeveeland in exchange for 100 televisions each year, then each country's maximum consumption of new radios and televisions per year will be
- Economists generally support
- A good that is produce abroad and sold domestically is called
- When a country has a comparative advantage in producing a certain good,
- Canada and the U.S. both produce wheat and computer software. Canada is said to have the comparative advantage in producing wheat if
- Belarus has a comparative advantage in the production of linen, but Russia has an absolute advantage in the production of linen. If these two countries decide to trade,
- If Korea is capable of producing either shoes or soccer balls or some combination of those two products, then
- Mike and Sandy are two woodworkers who both make tables and chairs. In one month, Mike can make 4 tables or 20 chairs, where Sandy can make 6 tables or 18 chairs. Given this, we know that the opportunity cost of 1 table is
- If Shawn can produce more donuts in one day than Sue can produce in one day, then
- Suppose a gardener produces both green beans and corn in her garden. If she must give up 14 bushels of corn to get 5 bushels of green beans, then her opportunity cost of 1 bushel of green beans is
- The difference between production possibilities frontiers that are bowed out and those that are straight lines is that
- Without trade,
- Consider a shoemaker and a vegetable farmer. Potentially, trade could benefit both individuals if
- Economists regard events from the past as
- When a relevant variable that is not named on either axis changes,
- When two variables have a negative correlation,
- The slope of a line is calculated by the
- The slope of a straight line is calculated by
- You know an economist has crossed the line from scientist to policy adviser when he or she
- Which of the following is an example of a normative statement?
- Which of these statements is a normative statement (as opposed to a positive statement)?
- Which of the following is an example of a positive statement?
- Economists consider normative statements to be
- A normative statement describes how the world
- Which is the best statement about the roles of economists?