Kuby, M.; Xie, Z. - In: Energy 26 (2001) 11, pp. 1015-1030
From 1980 to 1995, labor productivity in US coal mining almost tripled due to heightened competition, improved labor relations, scale economies, technological change, chronic oversupply, and industry restructuring that halved the number of mines. This paper uses EIA-7A data to analyze the...