Match each economic term with its description.
Description:
1. There are no barriers to entry in the market.
2. Three companies secretly enter into a price agreement.
3. Every company in this market structure is aware of the actions of the other companies.
4. There is a single seller in the market.
Terms:
A) Monopoly
B) Oligopoly
C) Perfect competition
D) Collusion
Random answers will be reported