“Microsoft’s after-tax return on invested capital, the best measure of a firm’s profitability, was a stunning 88% last year. This means Microsoft was 13 times more profitable than other major U.S. corporations.
That’s the headline from a ‘friend of the court’ brief just filed by four top economists, led by Robert Litan of the Brookings Institution. The report adds, ‘This is the most impressive . . . demonstration of the economic returns to monopoly that we have