An employee places U.S. one-hundred dollar currency banknotes into a money counting machine at a bank branch. (Photographer: Akos Stiller/Bloomberg)

College Grads Sell Stakes in Themselves to Wall Street

(Bloomberg Businessweek) -- To pay for college, Amy Wroblewski sold a piece of her future. Every month, for eight-and-a-half years, she must turn over a set percentage of her salary to investors. T...