(p. 4) In our view, Microsoft’s dominant share in operating systems evolved legitimately from a free-market competitive process. The PC software industry was legally open and contained many talented players (Sun, Netscape, Novell, Oracle, Apple, IBM), some larger than Microsoft, some smaller. The market process in this industry has always been characterized by intense innovation, rapid growth, sharply falling prices, and bitter rivalry (and occasional cooperation) between rivals. The industry exemplifies Austrian economist Joseph Schumpeter’s vision of competition as a process of creative destruction. Microsoft achieved its market position by aggressively innovating and promoting an open, standardized operating system platform . . .
Source:
Armentano, Dominick T. Antitrust: The Case for Repeal. 2nd ed: Mises, 1999.