号 Part IV The Basic Contradiction ofEcologicalEconomy System Chapter 2 development of Matter and Energy 1.The Shortage and Scarcity of Matter and Energy 1.1 The distinction of shortage and scarcity 1.2 The meaning of scarcity and its conditions Chapter 2 The Ecological Economy Theory of Excessive development of Matter and Energy Part IV The Basic Contradiction of Ecological Economy System 1.The Shortage and Scarcity of Matter and Energy 1.1 The distinction of shortage and scarcity 1.2 The meaning of scarcity and its conditions