Open access means that research outputs, such as articles and data, are free of restrictions on access and free of restrictions on use. In the light of recent market developments in academic publishing, we argue in this essay that the discourse about open access must include a discussion about...

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...

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...

Academic data sharing is a way for researchers to collaborate and thereby meet the needs of an increasingly complex research landscape. It enables researchers to verify results and to pursuit new research questions with 'old' data. It is therefore not surprising that data sharing is advocated by...

This paper uses data from the GSOEP to look at the relationship between labor force status and fatherhood among men in East and West Germany. For many years, in particular from the late fifties through the mid-seventies, fertility patterns in the East and West were quite similar. With the...

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...

Für das im Jahr 2025 stattfindende 100-jährige Jubiläum des DIW Berlin und dessen Geschichte ist die hier vorgelegte Dokumentation eines 1999 geführten Gesprächs zwischen den ehemaligen DIW-Abteilungsleitern Fritz Franzmeyer und Reinhard Pohl einerseits und Gert G. Wagner andererseits von...

To the best of our knowledge, most of the few methodological studies which analyze the impact of faked interviews on survey results are based on 'artificial fakes' generated by project students in a 'laboratory environment'. In contrast, panel data provide a unique opportunity to identify data...

"Soziale Dienste" wie die institutionalisierte Kinderbetreuung werden in Deutschland vorwiegend vom Staat selbst bzw. von frei-gemeinnützigen Trägern angeboten. Für die Nutzung dieser sozialen Dienste werden dabei in der Regel Gebühren verlangt, die unterhalb der tatsächlichen Kosten...