Copulas are a convenient tool for modelling dependencies in competing risks models with multiple spells. This paper introduces several practical extensions to the nested copula model and focuses on the choice of…
Evidence-based STI (science, technology, and innovation) policy making requires accurate indicators of innovation in order to promote economic growth. However, traditional indicators from patents and…
Web-based innovation indicators may provide new insights into firm-level innovation activities. However, little is known yet about the accuracy and relevance of web-based information for measuring innovation. In…
We analyze the effects of governmental redistribution on migration patterns, using registry data that includes almost the universe of Italian citizens living abroad. Since Italy takes a middle ground in terms of…
This paper studies the effects of the high-speed internet expansion on the match quality of new hires. We combine data on internet availability at the local level with German individual register and vacancy…
In this paper, we investigate whether dynamic incentive schemes lead to a ratchet effect in a social dilemma. We test whether subjects strategically restrict their contribution levels at the beginning of a…
This study proposes a novel way to examine self-selection on unobserved skills and applies it to a sample of young males seeking asylum in 2015/16 in Germany. First, the degree of intergenerational mobility of…
The German constitutional fiscal rule (the „debt brake”) is increasingly subject to a reform debate that has intensified with the fiscal fallout from the Covid-19 pandemic. This article presents survey evidence…
Das Buch beinhaltet vier Referate und zu jedem Referat zwei Korreferate. Die Korreferate enthalten lesenswerte Einschätzungen der Referate und weitergehende Überlegungen. Das Buch kann Interessenten der Ethik…
