This paper provides background information on, and basic descriptive statistics for, a representative survey of the German population conducted on my behalf by GfK in December 2022. It replicates a survey done in December 2021. The main difference affecting answers lies in the different time of...

What are the effects of sanctions and economic support on stock prices and exchange rates in the Russia-Ukraine war? We address this question using a panel-VAR model that incorporates data from 23 countries, besides Russia and Ukraine, spanning the period from 02/01/2022 to 02/24/2023. Our...

This paper examines the role of individuals' emotions in determining their concerns about international migration. For the empirical analysis, we exploit the previously less explored information in the German Socio-Economic Panel (SOEP) data on individuals' negative emotions, e.g., anger, fear,...

Concrete with recycled aggregates ("R-concrete") offers a way to reduce the extraction of natural resources and to close material loops in line with political goals. However, market failures may hamper the efficient use of R-concrete in construction. Various policy instruments can be used in...

We assemble a data set of more that eight million German Twitter posts related to the war in Ukraine. Based on state-of-the-art methods of text analysis, we construct a daily index of uncertainty about the war as perceived by German Twitter. The approach also allows us to separate this index...

Trotz rund sechs Jahren intensiver Forschung hat bisher keine Zentralbank der Industrienationen digitales Zentralbankgeld (Central Bank Digital Currency, CBDC) eingeführt. In diesem Artikel befassen wir uns mit den Gründen. Wir geben einen kurzen Überblick über den aktuellen Stand der...

The construction industry claims a vast quantity of natural resources and is responsible for more than half of the waste generated in Germany. R-concrete contains recycled aggregates and is a resource efficient alternative to primary concrete. A central stakeholder whose preferences may...

Most meetings of the Governing Council of the ECB take place intra muros at the ECB's premises in Frankfurt. Some meetings, however, are held extra muros, i.e. outside Frankfurt, hosted by one of the national central banks. This paper uses high-frequency surprises from meeting days to show that...

In 2016, the US elections and Brexit changed the perception and understanding of how social media platforms could influence political outcomes. This has been complemented by the advancement in automation and data processing. This paper studies the influence of bots on online information...