The Ruhr Economic Papers (REPs) are a series of scientific working papers that RWI jointly publishes with the economics faculties of the universities of Bochum, Dortmund and Duisburg-Essen. RGS Econ (RGS) is a co-editor.
The Ruhr Economic Papers serve to disseminate scientific research results. The ultimate goal is the publication of the papers in a peer-reviewed journal or an edited volume. The target audience is the international scientific community. The papers are generally published in English.
Here you can find the Ruhr Economic Papers at Econstor.