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First to “Read” the News: News Analytics and Algorithmic Trading

The Review of Asset Pricing Studies 2020 10(1), 122-178 open access
Exploiting a unique identification strategy based on inaccurate news analytics, we document an effect of news analytics on the market independent of the informational content of the news. We show that news analytics speed up the stock price and trading volume response to articles, but reduce liquidity. Inaccurate news analytics lead to small price distortions that are corrected quickly. The market impact of news analytics is greatest for press releases, as news analytics exhibit a particular skill in “seeing through” the positive spin of press releases. Furthermore, we provide evidence that high-frequency traders rely on the information from news analytics for directional trading on company-specific news. Received: May 17, 2018; Editorial decision: June 14, 2019 by Editor: Thierry Foucault.

Information Barriers in Global Markets: Evidence from International Subcontracting Relationships

Journal of Financial and Quantitative Analysis 2020 55(6), 2037-2072
We study the link between information barriers in global markets and the organizational form of asset management. Fund families outsource funds in which they are at an informational disadvantage to generate performance. Using a structural model of self-selection, we endogenize the outsourcing decision and estimate positive gains from outsourcing of 4–14 basis points per month, thereby reconciling underperformance of outsourced funds with performance maximization by fund families. The gains from outsourcing provide a novel proxy for the information barriers that segment global financial markets: The more segmented the underlying markets where the funds invest, the larger the gains from outsourcing.