Chapter Twenty-Two Firm Supply 厂商供给
Chapter Twenty-Two Firm Supply 厂商供给
Structure ◆ Market environments o Market demand for a competitive firm Short-run supply decision O Upward sloping Mc curve ●Shut- down condition Long-run supply decision Comparing long-run and short-run decisions Producers surplus and profits
Structure ◆ Market environments ◆ Market demand for a competitive firm ◆ Short-run supply decision ⚫Upward sloping MC curve ⚫Shut-down condition ◆ Long-run supply decision ◆ Comparing long-run and short-run decisions ◆ Producer’s surplus and profits
Firm Supply e How does a firm decide how much product to supply? This depends upon the firm's ● technology ● market environment goals o competitors'behaviors
Firm Supply ◆How does a firm decide how much product to supply? This depends upon the firm’s ⚫ technology ⚫ market environment ⚫ goals ⚫ competitors’ behaviors
Market environments P Are there many other firms or just a few? &Do other firms'decisions affect our firm's payoffs? Is trading anonymous, in a market? Or are trades arranged with separate buyers by middlemen?
Market Environments ◆Are there many other firms, or just a few? ◆Do other firms’ decisions affect our firm’s payoffs? ◆Is trading anonymous, in a market? Or are trades arranged with separate buyers by middlemen?
Market enⅤ Ironments ◆ Monopoly(垄断): Just one selller that determines the quantity supplied and the market-clearing price. ◆ Oligopoly(寡头垄断): A few firms, the decisions of each influencing the payoffs of the others
Market Environments ◆Monopoly (垄断）: Just one seller that determines the quantity supplied and the market-clearing price. ◆Oligopoly （寡头垄断）: A few firms, the decisions of each influencing the payoffs of the others