"The ECB should end its bond-buying program or reduce it", he said in an interview with the German financial webcast program "Der Aktionär TV". There was no threat of a dangerous deflation. Since 2010, the core inflation rate had been steady. Wieland does not see any need for the new measures the ECB announced in March.
The video is available as podcast: "Wirtschaftsweiser Volker Wieland kritisiert Draghis Lockerung" (14.43)