Group for Research in Decision Analysis

Member, GERAD

Associate Professor, Department of Decision Sciences, HEC Montréal, Canada

514 340-6103

Cahiers du GERAD


Media abnormal tone, earnings announcements, and the stock market
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To appear in: Journal of Financial Markets, 26 pages, 2021 BibTeX reference


David Ardia, Associate Professor in the Department of Decision Sciences, received the Best Paper Award for 2018-2019 from the International Journal of Forecasting.

The article is entitled Questioning the news about economic growth: Sparse forecasting using thousands of news-based sentiment values. It was co-authored with Kris Boudt, Professor at Ghent University, Vrije Universiteit Brussel and Vrije Universiteit Amsterdam, and Keven Bluteau, Postdoctoral Researcher at Ghent University and HEC Montréal.

Based on a very competitive process, the selection of the winning entry was made from among all the articles published in the journal during 2018 and 2019.

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