Productivity at the mine face: Pointing the way forward ...
· Mine V is an Americas gold mine confronting challenging geological conditions. It saw its production fall over 20 percent despite investments that held up its asset value; its MPI performance fell over 20 percent. The worst performer in Exhibit 2 is the African gold producer Mine Z, which is in the middle of a change in mining strategy. It has invested heavily and added workers, but its output ...