【单选题】No single firm has a final say over the price of a product or service in the _________ market.
【多选题】有机物在厌氧条件下消化降解过程可分为( )
【判断题】价值是凝结在商品中的一般人类劳动,所以,劳动产品和商品一样也具有价值()
【多选题】迈腾轿车(B7L)中4个车门控制模块代号为( )。
【判断题】班轮运输一般有固定港口、固定航线、固定开航时间,不计滞期费和/或速遣费,班轮运费相对稳定。
【单选题】Scale economies are said to be present when:
A.
an increase in output leads to an increase in average cost.
B.
an increase in output has no impact on average cost.
C.
an increase in output leads to a decrease in average cost.
D.
there is a single firm in an industry.