Media questioned the ongoing credibility of the Swiss central bank, and indeed central banks in general. Using phrases like "extend-and-pretend" to describe central bank exchange rate control measures, Saxobank chief economist Steen Jakobsen said, "As a group, central banks have lost credibility and when the ECB starts QE this week, the beginning of the end for central banks will be well under way". BT Investment Management's head of income and fixed interest Vimal Gor said, "Central banks are becoming more and more impotent. It also ultimately proves that central banks cannot drive economic growth like they think they can". UBS interest rate strategist Andrew Lilley commented, "central banks can have inconsistent goals from one day to another".