Part II The Common Theory ofEcologicalEconomy System The premises and conditions of Ecological y System constitution oncept of E.E.S E.E.S is a structure unit of matter circulation, energy transformation,value increment and information transmit. Chapter 1 The premises and conditions of Ecological Economy System constitution 1. The concept of E.E.S E.E.S is a structure unit of matter circulation, energy transformation, value increment and information transmit. Part II The Common Theory of Ecological Economy System