A Greek exit from the euro region would hurt confidence in other sovereign euro assets, World Bank President Robert Zoellick wrote in the Financial Times.

Different views among ECB board members “raise doubts about its ability to respond fast, fully and forcefully,” Zoellick said. Euro-area leaders must be prepared to recapitalize banks, he wrote.

“Massive” ECB liquidity injections may not be enough, Zoellick wrote.

To contact the reporter on this story: Louisa Fahy in Washington at lnesbitt@bloomberg.net

To contact the editor responsible for this story: Andrea Snyder at asnyder5@bloomberg.net