CORRECTED-China's Sinopec buys Marathon's Angola oil fields for $1.52 bln

Sun Jun 23, 2013 9:30am EDT

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After wave of QE, onus shifts to leaders to boost economy

DAVOS, Switzerland - Central banks have done their best to rescue the world economy by printing money and politicians must now act fast to enact structural reforms and pro-investment policies to boost growth, central bankers said on Saturday.