Capacity to punish is sufficient resources possessed by a price leader to deter and
combat defection.
Cartel (trust) is an output-fixing and price-fixing entity involving multiple
competitors.
Collusion is collective attempts between competing firms to reduce competition.
Competitive dynamics are the actions and responses undertaken by competing
firms.
Competitor analysis is the process of anticipating rivals’ actions in order to both
revise a firm’s plan and prepare to deal with rivals’ responses.
Concentration ratio is the percentage of total industry sales accounted for by the top
four, eight, or twenty firms.
Cross-market retaliation is retaliatory attacks on a competitor’s other markets if
this competitor attacks a firm’s original market.
Explicit collusion is firms directly negotiating output and pricing and dividing
markets.
Game theory is a theory that studies the interactions between two parties that
compete and/or cooperate with each other.
Market commonality is the overlap between two rivals’ markets.
Multimarket competition is firms engaging the same rivals in multiple markets.
Mutual forbearance is multimarket firms respecting their rivals’ spheres of
influence in certain markets and their rivals reciprocate, leading to tacit collusion.
Price leader is a firm that has a dominant market share and sets “acceptable” prices
and margins in the industry.
Prisoners’ dilemma, in game theory, a type of game in which the outcome depends
on two parties deciding whether to cooperate or to defect.
Tacit collusion is firms indirectly coordinating actions by signaling their intention to
reduce output and maintain pricing above competitive levels.
II. INSTITUTIONS GOVERNING DOMESTIC AND INTERNATIONAL COMPETITION
1. Key Concept
Domestically, antitrust laws focus on collusion and predatory pricing. Internationally,
antidumping laws discriminate against foreign firms and protect domestic firms.
2. Key Terms
Antitrust policy is government policy designed to combat monopolies and cartels.
Antidumping laws is law that makes it illegal for an exporter to sell goods below
cost abroad with the intent to raise prices after eliminating local rivals.
Collusive price setting is price setting by monopolists or collusion parties at a level
higher than the competitive level.
Competition policy is government policy governing the rules of the game in
competition.
Dumping is an exporter selling goods below cost.
Predatory pricing is an attempt to monopolize a market by setting prices below cost
and intending to raise prices to cover losses in the long run after eliminating rivals.
III. RESOURCES INFLUENCING COMPETITIVE DYNAMICS