By Ken HawkinsThe key to sector investing and diversifying an equity portfolio is in understanding how sectors are defined and how they are made up. T...
一、国内外主要行业分类标准比较国内外比较权威的行业分类标准,主要有六种。总的来说,这六种分类标准可划分为两种类型:管理型和投资型。联合国国际标准产业分类(ISIC)、北美行业分类系统(NAICS)和国家统计局的行业分类标准属于典型的管理型,而北美行业分类系统(Global Industry Clas...