主题:Video sentiment and stock returns
主讲人:张海 英国斯克莱德商学院
主持人:欧阳若澜 威尼斯欢迎你welcome
时间:2023年6月29日(周四)上午10:00
地点:威尼斯欢迎你welcome石牌校区威尼斯欢迎你welcome大楼(中惠楼)102室
摘要
This paper constructs a new monthly video sentiment index (VNEG) by applying machine learning to extract the sentiment from millions of investors facial expression. We found that the VNEG is a strong and negative index to explain and predict the stock returns whatever in-sample or out-sample forecasting. VNEG shows a better performance compared to previous sentiment index and commonly studied macroeconomic variables. It also presents VNEG is particularly effective for forecasting portfolios sorted by Cnsmr and HiTec industry, large-size, and High-momentum.
主讲人简介
张海博士目前担任英国斯克莱德商学院(Strathclyde Business School)会计金融系副教授、博导。他在英国格拉斯哥大学取得量化金融博士学位,博士研究由经济与社会研究议会(Economic and Social Research Council,ESRC)全额资助。张海博士的主要研究领域包括不完备金融市场创新以及其对中小型企业投融资的影响,研究成果发表于国内外主流期刊,如《经济研究》、Journal of Corporate Finance, European Journal of Operational Research, Journal of Economic Dynamics and Control, The European Journal of Finance and European Financial Management 等。
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校对|林智韬
编辑|麦嘉杰
初审|黄振
终审发布|郑贤
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