Dear Colleagues, the International Association of Sports Economists (IASE; http://www.iase-sport.org) invites abstracts for presentation at the 21st Annual Conference of the German Association of Sport Economics and Sport Management (Arbeitskreis Sportökonomie), June 30 - July 1, 2017, in Düsseldorf, Germany, hosted by the Department of Sport Business Management of the IST University of Applied Sciences for Management (http://www.ist-hochschule.de/ak-sportoekonomie_eng)