衡平法
业务
骨料(复合)
金融市场
互联网
投资(军事)
综合数据
财务
数据科学
营销
万维网
计算机科学
政治
病理
医学
复合材料
材料科学
法学
政治学
作者
Jillian Grennan,Roni Michaely
标识
DOI:10.1017/s0022109020000721
摘要
Abstract Hundreds of equity market intelligence financial technology firms (FinTechs) have formed in the last decade. We assemble novel data to describe their capabilities, users, and consequences. Our data suggest that these FinTechs i) aggregate many data sources, including nontraditional ones (e.g., Twitter, blogs), and synthesize such data using artificial intelligence to make investment recommendations, and ii) change Internet users’ information discovery by serving as substitutes for traditional information providers. We evaluate some nontraditional data and find evidence suggesting that such data contain valuable information or “crowd wisdom” that links to informational efficiency. Overall, our findings are consistent with this innovation benefiting investors and markets.
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