Micro Economics Markets

Number of Firms for Monopoly

One

Type of product for Perfect Monopoly

Differentiated

Type of product for Oligopoly

Homogenous or Differentiated

Profit Potential for Monopolistic Competition

Economic Profit potential

Profit Potential for Oligopoly

Economic Profits

Profit Potential for Perfect Monopoly

Economic Profits

Demand Curve for Firm for Perfect/Pure Competition

Perfectly Elastic, Horizontal

Demand Curve for Firm for Oligopoly

Downsloping, Kinked

Demand Curve for Firm for Monopolistic Competition

Downsloping

Demand Curve for Firm for Pure Monopoly

Downsloping, the Industry demand curve

Number of Firms for Perfect Competition

Many

Number of Firms for Monopolistic Competition

Many

Number of Firms for Oligopoly

Few

Size of Firms for Perfect Competition

Small

Size of Firms for Monopolistic Competition

Small

Size of Firms for Oligopoly

Few Large, possibly some smaller

Size of Firms for  Perfect Monopoly

Generally Large, not always

Type of Product for Perfect Competition

Homogenous

Type of Product for Monopolistic Competition

Product is differentiated

Barriers to Entry for Perfect Competition

None

Barriers to Entry for Monopolistic Competition

None

Barriers to Entry for Oligopoly

High

Barriers to Entry for Perfect Monopoly

Very High, Entry blocked

Price Control for Perfect Competition

Price Taker

Price Control for Monopolistic Competition

Some flexibility to Make Prices

Price Control for Oligopoly

Price Maker, Mutual Interdependence

Price Control for Perfect Monopoly

Price Maker, possibly regulated pricing.

Profit Potential for Perfect Competition

Normal Profits