Research by Prof. Aswath Damodaran on miners' return on capital is cited
— May 23, 2012
Excerpt from Reuters blog -- "Miners’ average return on capital was 19 percent in January, according to data from Aswath Damodaran at New York University. The industry’s average cost of capital in 10 percent. Fast back to 2000, before the China boom kicked off, and returns were at 6 percent."