企业只有具备某种异质性的核心知识和能力，这样才能拥有要素市场上的垄断地位，获得超过平均利润的超额利润。
Only when the firm possesses certain heterogeneous core knowledge and competence can it obtain monopoly position in the factor markets and gain super profit that exceeds the average profit.
软件行业产品市场的异质性，营销和研发等资源的不可模仿性促使软件企业聚集形成不同战略群组。
The product market heterogeneity and resource inimitability of software industry facilitate different software firms to form five strategic groups.
歧视经济学、人力资本理论、教育筛选理论以及劳动力市场分割理论等都从不同方面论述了劳动力的异质性。
Discrimination economics, human capital theory, screening theory and labor market segmentation theory illustrate the difference in labor force in different aspects.
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