For a long time, it is thought that distance education has the alleged cost-efficiency. With the development of ICT, educational requirements, and online learning, does distance education still hold these advantages? With these questions ,we interviewed Dr. Thomas Hulsmann. Dr. Thomas Hulsmann is one of the famous experts in the field of open and distance education who study economics and policy. He is currently with the Center for Distance Education and is a member of the Arbeitsstelle Fernstudienforschung, which is a joint venture of the School of Education and the Center for Distance Education at Carl von Ossietzky University of Oldenburg. His research interests include economics of distance education, cost-effectiveness of distance learning, policies for distance education, planning and evaluating systems of open and distance learning. His ideas and models about cost-effectiveness analysis on distance education are cited by many researchers and used by many practitioners.