Economies of scale ( ) a.
A. change in the size of operations and therefore is
B. long-run consideration. b. requires
C. more intensive use of existing plant and therefore is
D. short-run consideration. c. means that
E. doubling of plant size will double output. d. requires
F. change in the size of plant and therefore is
G. short-run consideration.
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The commercial value of ivory is a threat to the elephant, but the commercial value of beef is a guardian of the cow. This is because ( )
A. the cow is raised in developed economies while the elephant lives primarily in less-developed nations.
B. cows are private goods while elephants tend to roam without owners.
C. cows and elephants are public goods, but ivory is nonrival.
D. ivory is nonrival and nonexclusive but beef is rival and exclusive.
按照价格和所付出的努力将消费品分为哪几类？
A. 便利品
B. 选购品
C. 特殊品
D. 非渴求产品
下列不属于产品的类型的是？
A. 消费品
B. 工业品
C. 服务
D. 选购品
产品组合指的是特定型号、款式或品牌的产品，能够作为单独的销售单位。
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