The problem with the CBO, or most economic forecasts for that matter, is that they’re worthless ..
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“In 2008, the CBO was predicting that the US budget deficit would turn into a surplus in 2011. Instead ended up being an $1+ trillion deficit for that year alone. Also, in the period between 2008 and 2013, the CBO then forecast a cumulative deficit of just a few hundred billion. Instead, we ended up with deficits of over $5 trillion and, sadly, still rising.”
CBO Forecasts: Then And Now | Zero Hedge
Or how a forecasted surplus turned out to be a $1+ trillion deficit in three short years…
http://www.zerohedge.com/news/2013-05-14/cbo-forecasts-then-and-now