Question 1

What methods do firms use in a collusive oligopoly to control the market?

Accepted Answer

Firms in a collusive oligopoly use price fixing to set agreed-upon prices and prevent price wars. They also allocate specific market segments to each firm, ensuring a predictable competitive environment. These practices allow firms to operate collectively like a monopoly, controlling both prices and supply to maximize profits while reducing market uncertainty.

Question 2

How does OPEC function as an example of collusive oligopoly?

Accepted Answer

OPEC, the Organization of the Petroleum Exporting Countries, exemplifies explicit collusion where oil-producing nations collaborate to control oil prices and supply. Member nations coordinate their production and pricing strategies to maintain market stability and protect their collective interests, demonstrating how cartels operate as unified entities in global markets.

Question 3

What are the benefits of collusive oligopoly for firms versus consumers?

Accepted Answer

Firms benefit from reduced competition, predictable revenues, and higher profit margins. However, consumers face higher prices, fewer choices, and reduced innovation. While price stability benefits both parties initially, collusion ultimately harms consumers by limiting competitive pricing and creating deadweight loss that reduces overall economic efficiency.

Question 4

Why do collusive oligopolies face legal challenges?

Accepted Answer

Collusive oligopolies are often illegal and subject to public policy under oligopoly antitrust laws designed to protect consumers and ensure market competitiveness. Collusion results in market manipulation and consumer harm, leading to legal consequences. These regulations prevent firms from engaging in practices that reduce competition and economic efficiency.

Question 5

What internal stability problems do cartels experience?

Accepted Answer

Cartels face internal instability because individual firms have incentives to cheat on agreements by slightly undercutting the cartel price to gain market share. This temptation to defect undermines the collective arrangement, as each firm seeks to maximize its own profits at the expense of maintaining the collusive agreement.

Question 6

How does collusion affect innovation and market efficiency?

Accepted Answer

Collusion stifles innovation and efficiency because firms lack competitive pressure to improve products or reduce costs. Protected by collusive agreements, firms have reduced incentives to innovate. This leads to deadweight loss and reduced overall economic efficiency compared to competitive markets where firms must continuously improve to survive.

Question 7

What is the difference between explicit and tacit collusion?

Accepted Answer

Explicit collusion involves formal agreements where firms directly coordinate actions, such as cartels like OPEC. Tacit collusion occurs when firms indirectly coordinate without explicit agreement, achieving similar outcomes through mutual understanding. Both forms result in market manipulation and higher prices, but tacit collusion is harder to detect and prosecute legally.

寡头垄断类型：共谋型

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