Marian RadetzkiMarian Radetzki is Professor of Economics at Luleå University of Technology, Sweden. He has held visiting professorships at Colorado School of Mines, and at Pontificia Catholic University of Chile, researching on minerals and energy. In the 1970s, Prfessor Radetzki worked as Chief Economist at the International Copper Cartel, and has undertaken numerous consultancies over the years. Read More Read Less