Das Diskussionspapier greift die problematische Datenerfassung der Freien Berufe im Sozio-ökonomischen Panel (SOEP) auf. Im Mittelpunkt stehen sogenannte "kritische Wechsel" zwischen freiberuflichen und selbständigen Tätigkeiten innerhalb der Selbständigen-Gruppe des SOEP. Forschungsziel...

This paper investigates whether the COVID-19 crisis has affected the way we think about (political) institutions, as well as our broader (policy) attitudes and values. We fielded large online survey experiments in Italy, Spain, Germany and the Netherlands, well into the first wave of the...

Can one single political leader influence macroeconomic expectations on a global scale? We design a large-scale survey experiment among influential economic experts working in more than 100 countries and use the 2020 US presidential election as a quasi-natural experiment to identify the effect...

This paper experimentally analyses the effects of in-person canvassing and postal reminders on the mobilization of non-respondents for a telephone panel survey in Germany. We compare the response rates among randomly selected individuals who were visited by canvassers and those reminded by an...

In den vergangenen Jahren haben sich neue Formen der selbständigen Erwerbstätigkeit herausgebildet, die weder dem klassischen Arbeitnehmerverhältnis noch der traditionellen Selbständigkeit entsprechen. Diese .neuen Selbständigen. gibt es in allen Wirtschaftsbereichen, doch gerade in den...

The economic transformations of modern industrial societies have changed the labor markets in terms of industrial relations and occupational structure. The transformation of the traditional welfare state, the deregulation of the labor markets, the technological change and the reorganization of...