Gasspeicher sind ein zentraler Baustein für eine sichere Energieversorgung und damit für eine funktionierende Wirtschaft und Gesellschaft. Derzeit bietet der Markt jedoch kaum Anreize, die Gasspeicher zu nutzen oder in deren Erhalt zu investieren. Im Gegenteil: Seit November letzten Jahres...

In 2015, Southern Africa experienced a drought that affected approximately 30 million people across seven countries. Using a nationally representative household panel survey dataset and a remotely sensed measure of drought intensity during the 2015/16 farming season, we rigorously estimate the...

The COVID-19 outbreak in 2020 has fostered in many countries the development of new weekly economic indices for the timely tracking of pandemic-related turmoils and other forms of rapid economic changes. Such indices often utilise information from daily and weekly economic time series that...

This paper examines the use of machine learning methods in modeling and forecasting time series with long memory through GARMA. By employing rigorous model selection criteria through simulation study, we find that the hybrid GARMA-LSTM model outperforms traditional approaches in forecasting...