Concept Tour Market 市場 Market Structure 市場絀 Pefect Competition Imperfect Competition 完全競手 不完全競争 gop Monopolistic Competition 壟斷 寡頭壟斷 壟斷性競争Concept Tour Perfect Competition 完全競爭 Monopoly 壟 斷 Oligopoly 寡頭壟斷 Monopolistic Competition 壟斷性競爭 Imperfect Competition 不完全競爭 Market Structure 市 場 結 構 Market 市 場