The study was prepared as part of the specific contract No. EAC-2014-0466-Research Careers in Europe, implementing the Framework Contract No. EAC/22/2013-4. It was produced on the basis of the Terms of Reference, the technical offer, the Inception and Interim Reports, the minutes of the kick-off, inception and progress meetings, the comments and suggestions from the Steering Group, as well as the results of the validation seminar. “Research Careers in Europe” is a study with an evaluative character. It addresses the following three specific topics: 1. perception and promotion of research careers; 2. dual careers in research; 3. research career restart. The main results and conclusions presented in this report, as well as most of the study recommendations were developed to help the European Commission to improve the design and implementation of the Horizon 2020 Marie Skłodowska-Curie actions (MSCA). This programme aims to further contribute to stimulating commitment towards research careers and to support attractive employment and working conditions for researchers in Europe