本文以2003—2004年进行融资的公司为样本,考察了券商承销业务对证券分析师独立性的影响。研究发现:(1)承销商分析师普遍比非承销商分析师更乐观,承销商分析师的盈利预测和投资评级均显著高于非承销商分析师;(2)承销商分析师并没有因为拥有信息优势而做出比非承销商分析师更准确的预测,相反,由于不独立的立场,其过分乐观的盈利预测误差显著大于非承销商分析师;(3)承销商分析师的意见对非承销商分析师产生很大的影响。本文的结论对经常采用分析师意见作为市场预期的会计研究人员、依赖分析师意见进行决策的投资者以及旨在提高资本市场效率的政策制定者具有一定的参考价值。
This paper examines the impacts of underwriting relationships on analysts earnings forecasts and recommendations.Due to most sell-side financial analysts(affiliated fi- nancial analysts)are employed by brokerage firms that operating investment banking and in- vestor services departments.A potential conflict of interest occurs when a firm s investment banking department provides services to a client,and its financial analyst(in the investor services department)issues research reports on the same client.Base...