Summary Box: Europe central banks redouble efforts

: Europe's two main central banks are preparing to redouble their emergency measures aimed at softening the downturn and blunting the effects of the government debt crisis.

NEW MONEY: Analysts expect the U.K.'s central bank, the Bank of England, to announce Thursday that it will inject another 50 billion pounds ($79 billion) into an economy that shrank at the end of last year.

CHEAP LOANS: The European Central Bank, meeting Thursday in Frankfurt, Germany, is expected to trumpet the advantages of its second unlimited offering of cheap, three-year loans to be allotted to banks on Feb. 29.

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