Despite all of the hand-wringing over the future of the Bush tax cuts, it is just not plausible that they are a major source of uncertainty.
But in comparison with possible technological risks, these natural risks are comparatively well studied and, arguably, comparatively minor (the major source of uncertainty being on the technological side).
The major source of uncertainty arises not from the bill itself, but rather from the lawsuits filed by states that object to the mandate.
The Fed members also pointed out that heightened "geopolitical risks," assumed by Fed watchers to be a reference to a possible war with Iraq, were a "major source of uncertainty" in the economy.
Corporate spending on new equipment was viewed as a "key to sustained solid growth" and doubts about when it might rebound were a "major source of uncertainty about the pace of the expansion in coming quarters," the minutes said.
Delphi's long-awaited emergence from bankruptcy, following two previous failed attempts, eliminated a major source of uncertainty for G.M. and one of the factors that precipitated G.M.'s own bankruptcy filing June 1.
The people living in the Bay Area would be roughly as productive as they are now if they were transported to some other American location.And so in recent price gyrations we have another major source of uncertainty.
This has subsequently remained a major source of uncertainty and thus requires further assessments [19, 20].
In the third stage, the major source of uncertainty is insufficient sampling.
They are also the major source of uncertainty in the choice of the soil design parameters.
The major source of uncertainty comes from predicting the abundances and distribution of U and Th in local crustal rocks.
