European Central Bank Vice President Christian Noyer said in a lecture titled "How to Enhance the Credibility of the ECB and the Euro" that it was too early to judge the success of the ECB's intervention. "Judging what happened yesterday or two weeks ago won't be helpful," he said. "We have to see them over a period of time." He said that central banks can only now judge the success of their interventions in the 1985 to 1995 period, like the concerted G-7 move in 1995 to support the falling