边际资本成本理论与方法存在的问题

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一、问题的提出边际资本成本学说假定追加筹资的资本成本随筹资规模的扩大而不断上升,当筹集的资本超过一定限度时,原来的资本成本就会增加。这是目前大多数《财务管理学》和《财务分析》教材对边际资本成本的内容进行阐述时所说的一段话。本文通过分析研究教材中列举的有关实例后发现,在我国,资本成本率并不随追加筹资额的扩大而提高。边际资本成本理论和方法会得出“追加筹资额越少越好”的错误结论。因此,边际资本成本理论与方法既不符合我国的国情,又存在错弊,不宜作为追加筹资决策时的依据。应将“边际资本成本”改为“追加筹资成本”。
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