We merge administrative information from a large German discount brokerage firm with regional data to examine if financial advisors improve portfolio performance. Our data track accounts of 32,751 randomly selected individual customers over 66 months and allow direct comparison of performance...

Lecture on the first SFB/TR 15 meeting, Gummersbach, July, 18 - 20, 2004: We report results of an internet experiment designed to test the theory of informational cascades in financial markets (Avery and Zemsky, AER, 1998). More than 6400 subjects, including a subsample of 267 consultants from...

We collect more than eight million German-language tweets on the war in Ukraine and use a machine learning approach toconstruct a daily index of uncertainty about the war. In an empirical model, we show that fluctuations in uncertainty have strong effectson financial markets and real economic...

We assemble a data set of more than 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...

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...

Britain and Germany have been experiencing significant changes in the nature of work and welfare since the 1990s. Although important differences have remained, there have been compelling indications of a dual transformation of welfare constituted not only by a far-reaching retrenchment in...

Vier anspruchsvolle Beiträge von Juristen und Wirtschaftswissenschaftlern, die zur Konrad-Adenauer-Stiftung gehören oder ihr nahestehen. Referiert werden die Grundlagen der sozialen Marktwirtschaft vom ursprünglich ordnungspolitischem Idealtyp zu den Veränderungen durch den...

This paper provides background information, questionnaires, and basic descriptive statistics for a representative survey of the German population conducted on our behalf by GfK in 2011. Our aim is to discover the German public's knowledge about the ECB specifically, and monetary policy in...