This article is how 3D printers change the way we manufacture goods, and subsequently change the global economy and the manufacturing industry in regards to jobs and production.
http://www.smartplanet.com/blog/the-report/our-three-dimensional-future-how-3d-printing-will-shape-the-global-economy/

This is an article about the process of 3D printing and its many ways in which it changes manufacturing and jobs.
http://www.econolyst.co.uk/resources/documents/files/Article%20-%20May%202013%20-%20Arbitrage%20magazine%20-%20The%20impact%20of%203D%20printing%20on%20enployment.pdf

this is an article on how "3D printing will allow production on the small-scale to be as efficient as large scale production - its existence and growth will both challenge and complete traditional manufacturing".
http://www.theguardian.com/commentisfree/2013/dec/11/3d-printing-not-yet-a-new-industrial-revolution-but-its-impact-will-be-huge

This article depicts the impact of 3D printing on different countries and another article on how the manufacturing business is shifting to more localized enterprises.
http://hbr.org/2013/03/3-d-printing-will-change-the-world/ar/1