The European Central Bank should raise interest rates by 50 basis points at each of its next four meetings as inflation is proving to be stubborn, Austrian central bank chief Robert Holzmann told German business daily Handelsblatt. The ECB has raised rates by 3 percentage points since July and flagged a 50 basis point increase for March. It has left the door open to subsequent moves, which it said would be decided on "meeting by meeting" and be "data dependent." Holzmann, an outspoken conservative - or hawk in policy terms - however said that based on current trends, he would favour 50 basis point moves in March, May, ... (full story)