In view of the Federal Constitutional Court's decision of 28 March 2006 regarding the sports betting market, the report issued by the ifo Institut für Wirtschaftsforschung (Institute for Economic Research and Analysis) generates four scenarios describing how the German sports betting market could develop under different legal frameworks until 2010. It addresses the different market operators - especially Oddset, foreign remote sports betting operators, stationary betting agents and horse-betting operators - separately.