Part IY The Basic Contradiction ofEcologicalEconomy System Chapter 3 The equilibrium law of energy attenuation and value increment labor value 2.The theoretic model of value increment and energy attenuation Part IV The Basic Contradiction of Ecological Economy System Chapter 3 The equilibrium law of energy attenuation and value increment 1. The second law of thermodynamics and labor value 2. The theoretic model of value increment and energy attenuation