À propos de cet article
Publié en ligne: 28 juil. 2023
Pages: 500 - 502
DOI: https://doi.org/10.2478/wd-2023-0140
© 2023 Moritz Grebe et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
We collect more than eight million German-language tweets on the war in Ukraine and use a machine learning approach to construct a daily index of uncertainty about the war. In an empirical model, we show that fluctuations in uncertainty have strong effects on financial markets and real economic activity in Germany.