http://en.wikipedia.org/wiki/Sweatshop

Paul Krugman wikipedia
Excerpt:
Defenders of sweatshops, such as Paul Krugman^[1], Nicholas Kristof^[2][3], and Johan Norberg^[4] focus on the short term advantage to individuals, and the long term advantage to developing countries.

Krugman on Rachel Maddow show video
http://www.huffingtonpost.com/2009/04/08/krugman-on-rachel-maddow_n_184432.html