Microeconomics

Market Structure
    Review
Four Types
Four Types

  Perfect Competition
       Monopoly
Monopolistic Competition
       Oligopoly
Four Types
Four Types

  Perfect Competition
       Monopoly
Monopolistic Competition
       Oligopoly
Four Types
Four Types

  Perfect Competition
       Monopoly
Monopolistic Competition
       Oligopoly
Perfect Competition
Perfect Competition

No market power
Flat demand curve
    Commodity
     MC = MR
Monopoly
Monopoly

  Some market power
Downward demand curve
MR steeper than Demand
    Barrier to Entry
       MC = MR
Three types of Monopoly
Three types of Monopoly
       One Price
  Two Price - Coupon
    Multiple Prices -
    Discrimination
Monopolistic Competition
Monopolistic Competition
Start as monopoly but end
  as perfect competition
    Demand flattens
   Lose market power
Monopolistic Competition
Monopolistic Competition
        Brands
       MC = MR
Oligopoly
Oligopoly
    Two Firms
  Game Theory
Prisoner’s Dilemma
Sellers have the most
market power in which
   market structure?
Sellers have the most
market power in which
   market structure?

 Monopoly with Price
   Discrimination
Sellers have the least
market power in which
  market structure?
Sellers have the least
market power in which
  market structure?

 Perfect Competition
Most sellers exist in which
   market structure?
Most sellers exist in which
   market structure?

Monopolistic Competition
           or
  Brand Competition
Sellers worry most about
  other sellers in which
    market structure?
Sellers worry most about
  other sellers in which
    market structure?

       Oligopoly
Why can a monopolist
   charge more?
Why can a monopolist
   charge more?

   Market Power
  Less competition
    Price Maker

Market structure review