Help with microeconomics qustions?

Question

The industry characterized by a few interdependent firms where there are barriers to entry is called ______.

monopolistic competition

perfect competition

oligopoly

monopoly

If the only two firms in an industry agree to fix the price at a given level, this is an example of ______.

collusion

satisfying

price extortion

price leadership

An analytical approach through which strategic choices can be assessed is called _____.

benefit-cost analysis

econometric theory

game theory

none of the above

Answer 1

1: oligopoly

2: collusion

3: game theory