Fuzzy Math That Fueled Junk Debt Boom Is Sparking Jitters
Markings and formulas are displayed on a whiteboard. (Photographer: Gilles Sabri/Bloomberg)  

Fuzzy Math That Fueled Junk Debt Boom Is Sparking Jitters

(Bloomberg Businessweek) -- Imagine walking into a bank to borrow money. The loan officer might ask for your pay stubs and tax returns to prove your income, as well as for information about your de...
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