The paper maps the infiltration of so-called "predatory" scholarly journals into the citation database Scopus. Using the names of "potential, possible, or probable" predatory journals and publishers on Beall's lists, we derived ISSNs of the respective journals from Ulrichsweb and searched Scopus...

The German DEAL agreements between German universities and research institutions on the one side and Springer Nature and Wiley on the other side facilitate easy open access publishing for researchers located in Germany. We use a dataset of all publications in chemistry from 2016 to 2020 and...

In this paper we investigate the claim that academic journals are too expensive. We estimate library demand for academic journals and ask if short run profit maximization by publishers can explain observed prices. Libraries purchase a portfolio of journals so to estimate demand we extend the...