Congressional spending is trending downward, but there are a couple of reasons it might tick up, according to the note, mostly related to possible emergency defense spending (read: Iraq).
The chart above right shows how much federal spending and taxes have contributed to real GDP, and how much they are projected to over the next five quarters. With a Republican majority in both houses of Congress, an uptick in non-defense spending over the next couple of years seems even more unlikely than it might have been a couple of months ago.
And here's a look at just federal spending:
Goldman Sachs