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Difficulty: EasyOligopoly: Characteristics, Types, and Price Interdependence

Which of the following core characteristics of an oligopolistic market forces each firm to consider the potential reactions of rival firms whenever it alters its price or output strategy?

  1. Mutual interdependence among firmsAnswer
  2. B
    Freedom of entry and exit without barrier
  3. C
    The assumption that rivals match price increases but ignore price cuts
  4. D
    A horizontal demand curve reflecting perfect elasticity

Answer

Mutual interdependence among firms
The defining operational feature of an oligopoly is mutual interdependence. Because a few large sellers dominate the market, no single firm can act independently without taking into account how its competitors will respond.

Step-by-Step Solution

1
Identify the market structure referred to in the prompt
The prompt specifies an oligopoly, which is a market structure dominated by a small number of large firms.
Market structures possess distinct defining characteristics that dictate firm decision-making.
2
Analyze firm behavior and Strategic interaction
Because market power is shared among a few major sellers, the strategic choice of one firm (e.g., price reduction) inevitably influences the market shares and revenues of rivals.
This behavioral linkage is known as mutual interdependence.

Key Concept

Mutual Interdependence in Oligopoly
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Topics

Oligopoly: Characteristics, Types, and Price Interdependence

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