This Working Paper presents a brief but comprehensive graphical overview of copper contained in international trade, from copper concentrates through to finished products. Extensive data checks and a simple consolidation method were performed before visualizing the data on world maps. While data...

This paper presents a study on the importance of copper production in the State of Sonora, Mexico. Important data will be presented with total relevance to the current economic framework in which it will be possible to determine through a thorough investigation the reason why Sonora as a state...

This article may be of particular interest in view of the fact that UNCTAD has now for the first time set down a schedule for preparatory negotiations on raw materials. The resolution of UNCTAD IV on the treatment of the integrated action programme for raw materials is now to be realised....