中文摘要：

实证研究发现，行业专长机构投资者和行业专长审计师之间存在微妙的相互作用关系。研究证实一方面作为信息中介的行业专长审计师具有显著的治理效应且行业专长机构投资者有助于强化该治理功效，另一方面也揭示了行业专长审计师的介入对行业专长机构投资者的治理功能存在一定的挤出效应。

英文摘要：

The empirical study reveals that there is a subtle interactive relationship between insti- tutional investors with industrial expertise and auditors with industrial expertise. The study also con- firms that on one hand auditors with industrial expertise as infomediary have significant governance effect and institutional investors with industrial expertise can help to promote the governance effect; on the other hand, it is revealed that the involvement of auditors with industrial expertise has certain squeezing effect on the governance function of institutional investors with industrial expertise.