Supply and Demand: Songs by Brecht / Weill & Eisler is the first solo album by German singer Dagmar Krause released by Hannibal Records in 1986. It is a collection of 16 songs by German composers Kurt Weill and Hanns Eisler, with lyrics by Bertolt Brecht and sung by Krause in English. She also sang the songs in the original German which were released by Hannibal at the same time on a companion album, Angebot & Nachfrage: Lieder von Brecht / Weill & Eisler. Supply and Demand was reissued by Voiceprint Records in 1999 with track selections from both the English and German editions.