Are immigrants on welfare because they are more likely to be eligible or because they are more likely to claim benefits for which they are eligible? The answer is politically important, but because most current research on immigration and welfare is based on data from the U.S., the answer is...

In the New England Journal of Medicine, Longo and Drazen critically assessed the concept of data sharing. Their main concern is that a "new class of research person will emerge" that uses data, which were gathered by other researchers, for their own original research questions. The authors...

We live in a time of increasing publication rates and specialization of scientific disciplines. More and more, the research community is facing the challenge of assuring the quality of research and maintaining trust in the scientific enterprise. Replication studies are necessary to detect...

Overall, children in Germany live in households with below average incomes; therefore social policies that address the vulnerable position of Germany?s children are necessary. These policies should cover targeted financial transfers as well as improvements in day care provision for children....

Replication studies are considered a hallmark of good scientific practice. Yet they are treated among researchers as an ideal to be professed but not practiced. To provide incentives and favorable boundary conditions for replication practice, the main stakeholders need to be aware of what drives...

As from a political economy perspective, politicians often fail to implement structural reforms, we investigate if the resistance to reform is based on the differences in the risk preferences of voters, politicians, and bureaucrats. Based on the empirical results of a survey of the population in...