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| Supply Chain Enterprise Cooperation Evolution Based on Complex Network Model |
| QIAN Xiaodonga, YANG Beib
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| a. School of Economics & Management, b. School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou 730070,China |
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Abstract To explore and study the regular pattern of the cooperation evolution of enterprises, this paper introduces the concept of two-stage power law distribution on the basis of studying the degree distribution index of realistic complex networks. And constructs an evolution model according two-stage power-law distribution combined with fitness and noise fluctuation under complex network. Then using the numericalsimulation to analyze the model, the simulation results show that the fitness of normal distribution is the dominant factor in the generation of two-stage power law distribution. Noise fluctuation has little effect on enterprise value, but it can affect power exponents. Finally, this paper takes the supply chain network of China's automobile manufacturing industry as an example.The power exponents γ1 and γ2of the two-stage power law distribution of the network are 0.59 and 3.4 separately, which is in good agreement with the evolution of the supply chain network of China's automobile manufacturing industry.Also example verifies the validity of proposed model, and expounds the mechanism of cooperative evolution of supply chain network enterprises.
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Received: 16 August 2018
Published: 31 January 2019
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