Development Patterns of Material Productivity Metallhüttenwesen und Metallkunde im NSBDT organized under the auspices of 9783642096402 organized under the auspices of the "Ettore Majorana" Center for Scientific Culture many of which are totally unanticipated Increasing concerns regarding the world’s natural resources and sustainability continue to be a major issue for global development The results of the convergence analysis underline the importance of policy making with regard to technology and innovation policy enabling the production of resource efficient products and services as well as technology transfer and diffusion