tially skiers use of Highlands mountain. Highlands share of downhill skiing services in Aspen declined steadily during 76 till 81 from 20,5% to11%.Though the Supreme Court says that even a firm with monopoly power has no general duty to engage in a joint marketing program with a competitor it is predatory behaviour to exclude rivals on some basis other than efficiency. The Court therefore said that Skiing Co had monopolized the market for downhill skiing in Aspen. To sum it up, Aspen Skiing is a direct holding that a monopolist is not free to define ist product for the purpose and with the effect of excluding a rival.The other argument of MS concerning the permission of the DoJ to add new functions to ist OS can easily be erased. MS missed the point here because the only changes that may not be made are those that both impair the opportunities of rivals and lack a legimate efficiency justification.3. MS Agreement in Restraint of TradeMS being never content it now devised a Web of restrictive agreements to serve the same purpose and to foreclose other channels of distribution to Netscape. The aim, as usual, was to elimate Netscape as a potential rival to the Win OS.First MS licenses for Win98 prohibit computer manufacturers from modifying the screen first seen when users turn on their PC. Meaning that when users turn on their PC all the see is the windows platform with all their applications. This uniformity prevents computer manufacturers from offering customers a choice of first screens. It would also be possible without this enforced restricment that customers could choose a Netscape platform because the Netscape Navigator can also serve as such a platform. Just thinking ahead- if computer manufacturers had such a choice and users had the choice and a significant number of users prefered such a Netscape platform then software developers would write programs for it and the competition would flourish. But MS first screen restriction ma...
