An endogenous variable is typically ________
A) taken as given
B) strictly explained outside the model
C) strictly explained inside the model
D) strictly explained by data
E) strictly explained by graphical analysis
C
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Which of the following will NOT shift the supply curve for pick-up trucks?
A) a technological advance B) an increase in the price of a resource used to produce pick-up trucks C) a change in the number of firms supplying pick-up trucks D) a change in the price of pick-up trucks
If an economy produces only steel and wheat, a new fertilizer will
A) cause the production of wheat to increase at every point on a production possibilities curve but not affect the production of steel, that is the curve moves outward on the wheat axis only. B) cause the production of both wheat and steel to increase at every point along the production possibilities curve, that is the curve moves outward on both the wheat axis and the steel axis. C) not affect the production of either wheat or steel. D) cause the production of steel to increase at every point along the production possibilities curve but not affect the production of wheat, that is the curve moves outward on the steel axis only.
The principle that individuals and firms pick the activity level where the incremental benefit of that activity equals the incremental cost of that activity is known as the:
A. marginal principle. B. principle of opportunity cost. C. principle of diminishing returns. D. spillover principle.
Refer to the information provided in Figure 2.4 below to answer the question(s) that follow.
Figure 2.4Refer to Figure 2.4. The economy moves from Point A to Point D. This could be explained by
A. an increase in economic growth. B. a change in society's preferences for motorcycles versus hybrid cars. C. a reduction in unemployment. D. an improvement in technology.