This paper carries out a study of the interrelation between total consumption-GDP ratio of different key metals (aluminium, copper, lead, nickel, tin and zinc) and per capita income investigating if the environmental Kuznets' curve (EKC) could be considered – in empirical terms – as a...

Purpose – The main purpose of the paper is to propose an empirical analysis of the relationship between total consumption of different key metals (aluminium, copper, lead, nickel, tin and zinc) and per capita income of some important developing countries (Brazil, China and India) today present...