The phenomenon of economic uncertainty has attracted considerable attention in recent years. New indicators have been introduced aiming at measuring uncertainty and its potential economic consequences. Still, the Corona pandemic has hit the world economy virtually out of the blue. In this paper,...

News-based indicators are in vogue in economics. But they tend to be applied with little consideration for the properties of news itself. In this paper, we try to shed light on the nature of this type of data. Drawing from established findings in communication science and journalism studies we...

This paper deals with the problem of deriving consistent time-series from newspaper contentbased topic models. In the first part, we recapitulate a few our own failed attempts, in the second one, we show some results using a twin strategy, that we call prototyping and seeding. Given the...

Economic analyses largely ignore Europe's fragmented public sphere, a feature that distinguishes the euro area from other major currency areas.This Policy Contribution identifies how narratives of the crisis developed since 2007, by identifying the key crisis-related topics in articles from four...

Europa muss sich entscheiden, ob es die gewachsene Zusammenarbeit vertiefen oder aber reduzieren will. Unter Ökonomen dominiert Skepsis. Viele würden das Euro-Rad am liebsten zurückdrehen. Was dagegen fehlt, ist eine plausible Vision, wie es vorangehen könnte. Kernelemente sollten...

In this paper, we present a new dynamic topic modeling method to build stable models and consistent time series. We call this new method RollingLDA. It has the potential to overcome several difficulties researchers, who use unsupervised probabilistic topic models, have grappled with: namely the...

Die Europäische Union schreitet auf ihrem Weg zur Europäischen Währungsunion weiter planmäßig voran. Zum 1.1.1999 werden elf EU-Länder den Euro als Buchgeld einführen und ihre Währungspolitik auf das Europäische System der Zentralbanken übertragen. Zum 1.1.2002 wird der Euro, auch...