Die Bundesnetzagentur hat im Rahmen der Frequenzvergabe 2019 für den Mobilfunk die Netzanbieter verpflichtet, einen bestimmten Versorgungsgrad der Bevölkerung zu erreichen. Erstmals wurden dabei auch Kooperationen zwischen verschiedenen Netzanbietern erlaubt. Es wurde jedoch offengelassen, welche Formen der Kooperation zulässig sind. Dieser Bericht zeigt anhand einer Modellrechnung, dass die Anbieter ...
Research background: We are guided by concepts linking political trust with the perceived rank of people in the wealth hierarchy, their confidence in other people, and the means they use to learn about events at home and abroad.Purpose of the article: The aim of the article is to assess and analyse at the micro level the impact of subjective welfare, interpersonal trust and the intensity of usage of ...
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 ...
Since the early 2000s, the proliferation of cameras, whether in mobile phones or CCTV, led to a sharp increase in visual recordings of human behavior. This vast pool of data enables new approaches to analyzing situational dynamics. Application is both qualitative and quantitative and ranges widely in fields such as sociology, psychology, criminology, and education. Despite the potential and numerous ...
Wie die Corona-Pandemie und ihre Begleiterscheinungen gesellschaftliche Phänomene sichtbarer machen, wird gerne mit dem Bild eines Brennglases beschrieben. Die Pandemie ist demnach auch eine ”Sehhilfe”. Sie macht deutlich, dass die Bedeutung der frühen Bildung in Deutschland nicht hinreichend erkannt ist. Das gilt insbesondere für die Bedeutung der frühen Bildung, die ...
This is an online seminar using Cisco Webex. You will receive the login data with the invitation to the talk. Abstract: The tracking of online user behavior is considered essential for the construction of consumer profiles, which help platforms monetize their services. Prominent examples are advertising in online search or social media, but also online retailing in which matching...
The European Fund for Strategic Investments (EFSI) – the financial pillar of the Investment Plan for Europe – has been one of the good news stories to emerge in a decade of economic uncertainty. Launched by the Juncker Commission and the EIB Group in 2014, it has gone well beyond its target of €500 billion in mobilised investments. In the meantime, the Covid-19 pandemic has led to the biggest...