Should We Get Really Excited About a 0.04 Percentage Point Increase In GDP Growth?

People often confuse percent and percentage points. (I've even done it myself.) It makes a big difference. The Wall Street Journal told readers about G-20 plans to increase growth by 2 percent.

If this is accurate, then the goal is to have growth that is 2.0 percent faster than the baseline. In the U.S. case the baseline projections for annual growth are a bit more than 2.0 percent. The G-20 plans would then raise this figure by 0.04 percentage points. That would be nice, but not a terribly b...