Yet insofar as I have to guess, I think short-term growth will be faster under Romney than Obama for three reasons. First, in the post-1980 era you get bigger budget deficits with Republicans in the White House than with Democrats, and that’s a good thing in the short-term. Second, the Federal Reserve seems to be biased and delivers looser monetary policy with Republicans in the White House. Third, Republicans are much more likely to promote short-term economic growth at the expense of environmental concerns.
A favorite observation of mine (my favorite, not my observation) is how presidents need to play against type to maintain credibility with the median voter.
In politics, actions speak softer than words.