Question

which of the following is the best example of an oligopoly?
a. microsofts windows operating system
b. chinese restaurants in san francisco
c. hair salons in los angeles
d. universities and colleges in the united states
e. automobile manufacturers in the united states

Explanation:

An oligopoly is a market structure with a few large firms that are interdependent.

• Option A: Microsoft's Windows is more of a monopoly (or monopolistic competition with limited rivals like macOS, Linux) but not oligopoly as it's dominated by one main firm.
• Option B: Chinese restaurants in SF are monopolistic competition (many small firms, differentiated products).
• Option C: Hair salons in LA are monopolistic competition (many firms, differentiated services).
• Option D: Universities/colleges in US are monopolistic competition (many institutions, differentiated offerings).
• Option E: US automobile manufacturers (e.g., Ford, GM, Tesla, foreign brands like Toyota) are a few large firms, interdependent, fitting oligopoly.

Answer:

E. Automobile manufacturers in the United States