Part III The Cycle-transformation Theory of Ecological Economy System 3.The value-flow and its increment 3.1 The formation of labor value-flow 3.2 Market value 4.The information-flow transmission Part III The Cycle-transformation Theory of Ecological Economy System 3.The value-flow and its increment 3.1 The formation of labor value-flow 3.2 Market value 4.The information-flow transmission