Question

fill in the blank question
a good way to describe (monopolistic/oligopolistic) competition is that it mixes a small amount of monopoly power with a large amount of competition, while (monopoly/oligopoly) blends a large amount of monopoly power, a small amount of competition through entry, and considerable rivalry among firms.

Explanation:

Monopolistic competition has firms with some product - differentiation giving them a small degree of monopoly power, but there is also a large number of competitors. Oligopoly has a few firms with significant market power, some competition from potential entry, and rivalry among the existing firms.

Answer:

monopolistic
oligopoly