高技术中小企业经营者与外部投资者之间的信息不对称主要有两类：一类是事前信息不对称，包括关于企业质量（知识）的信息不对称和关于经营者（或管理团队）能力素质的信息不对称：另一类是事后信息不对称，即关于经营者的行为和努力程度的信息不对称。除性质上不同外，双方的 There are mainly two types of information asymmetry between high-tech SME managers and external investors: one is ex ante information asymmetry, including the information asymmetry about the quality of the enterprise (knowledge) and the information about the managers (or the management team) Asymmetric quality of information: the other is ex post information asymmetry, that is, information on the degree of business managers and efforts of information asymmetry. Except for the nature of the two sides