40.7 Million Missing Jobs
I ran a search on the terms "exponential trend failure" over at the RePec database (Research Papers in Economics) and came up with no relevant results. Mark could package up all of his analysis into a paper and it would be legitimately be a novel analysis.
I also ran a search in Google Books for the terms (exponential "trend failure" economics) and the only thing that came up was the blog Illusion of Prosperity. Mark is on to something.