The world economy is like a supercomputer that churns through trillions of calculations of prices and quantities, and spits out information on incomes, wealth, profits, and jobs. This is effectively how capitalism works—as a highly efficient information-processing system. To do that job, like any computer, capitalism runs on both hardware and software. The hardware is the markets, institutions, and regulatory regimes that make up the economy. The software is the governing economic ideas of the day—in essence, what society has decided the economy is for.
Most of the time, the computer works quite well. But now and then, it crashes. Usually when that happens, the world economy just needs a software update—new ideas to address new problems. But sometimes it needs a major hardware modification as well. We are in one of those Control-Alt-Delete moments. Against the background of…
