音游perfect素材
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Perfect Competition
英文名称:Perfect Competition 中文名称:完全竞争又称纯粹竞争,是一种不受任何阻碍和干扰的市场结构,它具备以下特征:1. 市场上提供的每一项产品和服务都是同质的;2···
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Perfect Hedge
A position undertaken by an investor that would eliminate the risk of an existing position, or a position that eliminates all market risk from a portfolio. In···