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厂商为了生产和销售产出,必须购买投入。它们在规模和内部组织上是各不相同的,但都要消耗投入并把投入转化为满足一定需求的物品。 为讨论问题的方便,首先确定我们研究的厂商是以获取利润为存在目的的厂商,不考虑家庭为自给的生产和政府为公众福利的生产。其次假定当一个行业由许多相对较小的生产完全相同产品的厂商组成时,我们就说这
In order to produce and sell output, manufacturers must purchase inputs. They are different in size and internal organization, but they all consume inputs and convert inputs into items that meet certain needs. In order to discuss the convenience of the problem, we first determine that the manufacturer we are researching is a manufacturer with profit-seeking purpose, regardless of whether the family is self-sufficient and the government produces the public welfare. Second, suppose that when an industry is made up of many relatively small manufacturers of exactly the same product, we say that