＊前幾分鐘有未錄到的部分，老師的板書如下:
Equilibrium in competitive market
Market structure
Conduct
n:number of firms in an industry(or a market)
Industry: a collection of firms producing a specific product
L22A
Ch11.相關名詞介紹
Monopoly
Duopoly
Oligopoly
Monopolistic competition
L22B
Perfect competition
實例說明
L22C
Short run competitive equilibrium
