2011/07/24 by James R. Rustad, Rustad, James R.
Physics and Astronomy · #FOS: Physical sciences #Geophysics (physics.geo-ph) #physics.geo-ph
paper · pdf · doi:10.48550/arxiv.1107.4753
4 pages, 1 figure
arxiv created 2011/07/24 · arxiv updated 2011/07/26
The production histories of seventeen raw materials are analyzed with the logistic model. Although many of these resources have exhibited logistic behavior in the past, they now show exponential or super-exponential growth. In most cases, the transition has occurred in the last ten to twenty years.