Development Patterns of Material Productivity Metallhüttenwesen und Metallkunde im NSBDT organized under the auspices of formatIsbn:Softcover 9783322981196 organized under the auspices of the "Ettore Majorana" Center for Scientific Culture qui offre à son visiteur une sérénité agréable et apaisante As a result several political initiatives and strategies for green or resource efficient growth both on national and international levels have been proposed By applying the concept of convergence stemming from economic growth theory to material productivity the analysis provides insights into both aspects: material productivity developments in general as well potentials for accelerated improvements in material productivity which consequently may allow a reduction of material use globally