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Scarcity and Reuse of Collateral in the European Repo Market

Firm heterogeneity and capital markets

The Challenged Sense of Belonging Scale (Csbs): A Validation Study in English, Arabic, and Farsi/Dari among Refugees and Asylum Seekers in Germany

This study introduces and investigates the validity of a brief scale measuring a challenged sense of belonging. The sense of belonging as well as challenges to this sense are important, albeit neglected aspects of social integration and of significance to migration and refugee studies as well as to virtually all other social science contexts. Assessing a challenged or eroded sense of belonging provides ...

Using a Mobile App When Surveying Highly Mobile Populations: Panel Attrition, Consent, and Interviewer Effects in a Survey of Refugees

Panel attrition poses major threats to the survey quality of panel studies. Many features have been introduced to keep panel attrition as low as possible. Based on a random sample of refugees, a highly mobile population, we investigate whether using a mobile phone application improves address quality and response behavior. Various features, including geo-tracking, collecting email addresses and adress ...

The Economics of Production, Integration and Efficient Use of Renewable Energy

Die Auseinandersetzung mit der Klimakrise bringt drei Herausforderungen bezüglich der Produktion, der Integration und der effizienten Nutzung von Energie mit sich. Diese Herausforderungen werden in den drei Kapiteln dieser Dissertation analysiert. Erstens wird Energieeffizienz weithin sowohl als ein effektives Mittel zur Reduzierung des Verbrauchs fossiler Energien als auch als kosteneffiziente Lösung ...

Essays on Gender Pay Gaps and Wealth Concentration

Diese Dissertation besteht aus vier unabhängigen Kapiteln. Während sich die ersten drei Kapitel mit unterschiedlichen Gründen für den Gender Pay Gap auseinandersetzen, fokussiert sich das letzte Kapitel auf das obere Ender der Vermögensverteilung. Kapitel 1 befasst sich mit der Frage, warum einige Berufe große und andere nur geringe Gender Pay Gaps aufweisen und, ob dies mit den Berufsmerkmalen zusammenhängt. ...

Responses to unexpected and permanent changes in pension income

For the design of pension reform it is crucial to disentangle the employment effects related to the substitution and the income effect. In this paper we provide causal evidence about the importance of the income effect which in general has been assumed to be small or non-existent. We exploit a pension reform in Germany that raised pension benefits related to children. For...

Who is affected by the crisis? Distributional consequences of the Corona pandemic

The Corona pandemic has had a decisive impact on the year 2020 and an unprecedented (negative) impact on society and the economy. At the core of this simulation study is therefore the question of how the Corona pandemic has affected income levels and social inequality in Germany, and to what extent automatic stabilizers of the social security system and additional financial...

All-Pay Competition with Captive Consumers

We study a game in which two firms compete in quality to serve a market consisting of consumers with different initial consideration sets. If both firms invest below a certain threshold, they only compete for those consumers already aware of their existence. Above this threshold, a firm is visible to all and the highest investment attracts all consumers. On the one hand, the existence of initially ...

Study protocol of the ‘CORONA-MONITORING bundesweit’ study (RKI-SOEP study) published

The study protocol of the CORONA-MONITORING nationwide study (RKI-SOEP study) has been published in the Journal of Health Monitoring and is freely available.In the study, which was conducted in a collaboration between the Robert Koch Institute and the Socio-Economic Panel at DIW Berlin, SOEP respondents were sent self-tests in the form of PCR and DBS tests to be sent to the RKI for analysis. In addition, ...