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Two-stage modeling of resource owner behaviour : an application to Canadian copper mining
Young, Denise, (1991)
Thermodynamic implications for natural resource extraction and technical change in US copper mining
Ruth, Matthias, (1995)
Thermodynamic constraints on optimal depletion of copper and aluminum in the United States : a dynamic model of substitution and technical change
Productivity and metal mining : evidence from copper-mining firms
The effects of education in early-stage agriculture : some evidence from China
Young, Denise, (1999)