Multiple Choice
Some economists argue that Microsoft became a monopoly in the market for computer software by developing MS-DOS,an operating system used for the first IBM personal computers.The more people who used MS-DOS-based programs,the greater the usefulness of using a computer with an MS-DOS operating system became.The explanation for Microsoft's monopoly is
A) the development of new technology that other firms could not copy.
B) control of a key resource which, in this case, is the MS-DOS operating system.
C) network externalities.
D) patents Microsoft obtained when it developed the MS-DOS operating system.
Correct Answer:

Verified
Correct Answer:
Verified
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