Fourth, the unfolding crisis has revealed the weaknesses of structured products and derivatives in the credit markets. This throws up questions about the appropriateness of various structured product like credit derivatives and their financial stability implications. Are exchange traded derivatives superior to over the counter (OTC) derivatives?
A third key uncertainty for the U.S. economy is the outlook for productivity growth – that is, increases in the amount of output produced per hour worked. While the job market has strengthened significantly, GDP increases have been less impressive.