The European Central Bank (ecb) announced this week how it will undertake a root-and-branch examination of banking assets before it takes charge of supervision in the euro area late next year (see next story). One aim of the exercise is to identify the bad debts that are fouling up euro-zone banks and preventing the flow of new credit. This is important because parts of the single-currency area are crippled not just by public borrowing but by private debt, most of which is sitting on banking books.
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