主讲人：克莱蒙特麦肯纳学院Mitch Warachka教授
时间：2015年7月31日（星期五）上午10:30-12:00
地点：金融研究院202会议室(光华校区北三门篮球场旁)
主办单位：金融研究院、科研处
主讲人简介：
Mitch Warachka教授是克莱蒙特麦肯纳学院副教授。2009至2012他在新加坡管理大学作为副教授任教。他于2000年获得康奈尔大学金融学博士学位。Mitch Warachka教授的研究领域是资产定价、公司治理和衍生品。Mitch Warachka教授已在Journal of Financial Econometrics、Journal of Financial Economics等国际期刊上发表多篇学术论文。
有关Mitch Warachka教授的个人简历等具体介绍请见: https://www.cmc.edu/academic/faculty/profile/mwarachka
论文摘要：
We examine the impact of information technology on systematic risk, the equity premium, and return predictability using national and state level NYSE ticker subscriptions that disseminate public firm-specific information. Annual variation in stock ticker subscriptions is not attributable to demographics, economic activity, or stock returns. Instead, this variation is positively associated with variation in trading volume. After controlling for liquidity, an increase in the number of stock tickers lowers both the average pairwise correlation between individual stock returns, hence systematic risk, and the equity premium (Pollet and Wilson, 2010). An increase in the number of stock tickers also reduces return predictability. We conclude that the adoption of information
