What are the three practices of oligopolies that concern the government the most?

differentiation, collusion, and cartels

price leadership, collusion, and cartels

collusion, price leadership, and differentiation

cartels, differentiation, and price leadership

Price leadership, collusion, and cartels are the three practices of oligopolies that concern the government the most

Explanation:

Oligopolies can informally provide collusive agreements, fix prices together, and operate similarly to a cartel, which allows them to price goods and services like a monopolist. Oligopolies are defined by one firm's confidence in other firms within the industry.

Price leadership - The step taken by a head in an oligopolistic industry to manage prices for the entire industry. collude - To act in concert with; to conspire. Cartel - A group of businesses or nations that collude explicitly to limit competition within an industry or market.