Doyne Farmer says a super-simulator of the global economy would accelerate the transition to a green, clean world Doyne Farmer says a super-simulator of the global economy would accelerate the transition to a green, clean world I t’s a mind-blowing idea: an economic model of the world in which every company is individually represented, making realistic decisions that change as the economy changes. From this astonishing complexity would emerge forecasts of unprecedented clarity. These would be