Earnings Expectations: The Analysts' Information Advantage.
研究分析师对公司盈利预测的优势程度与公司特征的关系，发现分析师优势与过去盈利波动性及华尔街日报报道量相关。
Abstract Investigates the degree to which the superiority of analysts' corporate earnings forecasts is associated with firm characteristics. Analyst advantage over a time-series model to past earnings variability; Relationship between analyst advantage and the amount of coverage in the `Wall Street Journal' newspaper.