@article{8600237,
  abstract     = {{The modern calculation of textual sentiment involves a myriad of choices as to the actual calibration. We introduce a general sentiment engineering framework that optimizes the design for forecasting purposes. It includes the use of the elastic net for sparse data-driven selection and the weighting of thousands of sentiment values. These values are obtained by pooling the textual sentiment values across publication venues, article topics, sentiment construction methods, and time. We apply the framework to the investigation of the value added by textual analysis-based sentiment indices for forecasting economic growth in the US. We find that the additional use of optimized news-based sentiment values yields significant accuracy gains for forecasting the nine-month and annual growth rates of the US industrial production, compared to the use of high-dimensional forecasting techniques based on only economic and financial indicators. (C) 2018 The Author(s). Published by Elsevier B.V. on behalf of International Institute of Forecasters.}},
  author       = {{Ardia, David and Bluteau, Keven and Boudt, Kris}},
  issn         = {{0169-2070}},
  journal      = {{INTERNATIONAL JOURNAL OF FORECASTING}},
  keywords     = {{Business and International Management,Elastic net,Sentiment analysis,Time series aggregation,Topic-sentiment,US industrial production,Sentometrics,VARIABLE SELECTION,NUMBER,REGRESSION,HETEROSKEDASTICITY,REGULARIZATION,CONFIDENCE,SHRINKAGE,FREEDOM,MODELS}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{1370--1386}},
  title        = {{Questioning the news about economic growth : sparse forecasting using thousands of news-based sentiment values}},
  url          = {{http://doi.org/10.1016/j.ijforecast.2018.10.010}},
  volume       = {{35}},
  year         = {{2019}},
}

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