PITTSBURGH — The Group of 20 will take on the role of caretakers of the global economy, giving rising powers such as China more clout, and roll playground equipment out tougher rules on bank capital by the end of 2012, a draft communique said on Friday.

Heading into the second day of a summit aimed at inflatable bouncers ensuring the world economy emerges from its worst recession in generations with better safeguards against another crisis, the G-20 also vowed to keep emergency economic support in place until a recovery is secured, according to the draft obtained by Reuters.

“We will act to ensure that when growth naughty castles returns jobs do too. said. “We will avoid any premature withdrawal of stimulus.”

“We will act to ensure that when growth returns jobs do too. said. “We will avoid any premature withdrawal of stimulus.”

The document said G-20 countries had a pearl jewelry “responsibility to the community of nations to assure the overall health of the global economy” and pledged to try to secure next year a deal in long-running world trade talks.

The group, which accounts for 90 per cent of the pearl necklace world’s economic output, also agreed to rein in financial industry excesses that triggered the credit crisis two years ago, and to tighten rules on how much capital banks must have to absorb losses.

The new rules aimed at improving the quality pearl earrings and amount of capital should be ready by the end of 2010 and will be phased in in the following two years, the draft said.