OUR MENTAL MODELS OF MINERAL DEPLETION—AND WHY THEY MATTER
Shortages of mineral commodities can arise for numerous reasons—mineral depletion, inadequate investment in new mines and processing facilities, unanticipated surges in demand, cartels, embargoes, wars, mine accidents, and even prolonged strikes. It is useful, however, to separate mineral commodity shortages into two distinct groups. The first includes shortages due to mineral depletion; the second, shortages owing to all other causes. May 2018.