The paper that this article is derived from: http://www.bls.gov/opub/mlr/2015/article/stem-crisis-or-stem-surplus-yes-and-yes.htm http://www.bls.gov/opub/mlr/20

The paper that this article is derived from: http://www.bls.gov/opub/mlr/2015/article/stem-crisis-or-stem-surplus-yes-and-yes.htm http://www.bls.gov/opub/mlr/2015/article/stem-crisis-or-stem... I found the paper to be more detailed and have a higher signal:noise ratio.