Economic fears could hit public works
Investors' concerns with the credit crunch are showing up in auction-rate securities, which raise money for everything from roads and bridges to hospitals and museums. Marketplace's Bob Moon explains how these investments work and why we should be concerned.
A construction worker operates a bulldozer while moving pebbles that will serve as abase for concrete as a re-decking construction project continues on Interstate-95 northbound in Philadelphia. (William Thomas Cain/Getty Images)
More on The Economy, Wall Street
