Trade-off

Article de The Economist sur le prix des ressources naturelles et de l'investissement nécessaire pour les extraire.

Supply has struggled to keep pace with this burgeoning demand. The world’s iron-ore production has doubled over the past decade but prices have risen 13-fold. The metal content of copper ore has been falling since the mid-1990s as existing mines are depleted. This mismatch between demand and supply is an age-old problem in commodity markets. It takes years to find and develop new mines and oil reservoirs and to build the infrastructure (rigs, pipelines, railways, ports) to bring the commodities to market. Supply responds slowly to price increases and delay often leads to excessive investment which then depresses prices.