Bayer has 14 years of experience as a researcher in the institute sector, where he works broadly within the research field of Transportation. He has conducted several travel surveys, both population representative and workplace specific, as well as two large goods surveys for the western part of Norway. At present he works 75 percent as a research fellow at University of Stavanger - Business School, where he is writing a PhD with the working title “The demand effects of introducing versus increasing road tolls”. The PhD is financed through the research project “Comparative studies of mobility packages at Nord-Jæren, in Bergen and Trondheim”. In this project he contributes with data management and analysis of the national travel surveys and traffic data, as well as reporting on mobility effects caused by changes of the toll cordons in those urban areas.