Wikipedia:Articles for deletion/Labor and material productivity
While I agree this is a pretty shoddy article, I disagree with the notion that straightforward calculations are "original research." Doing arithmetic is not much different from paraphrasing text, inasmuch as both involve drawing immediate non-controversial conclusions from the sources. TL/DR: 
— User:Sammy1339, 22:50, 25 September 2014 (UTC)
Stance: keep
Cited policy: WP:CALC (Wikipedia:No original research)