Abstract
In the critical period of enterprise digital reform, the market interaction between enterprise resource planning (ERP) and manufacturing execution system (MES) is an important way in which to realize the digital transformation and upgrading of Chinese enterprises. Based on the panel data pertaining to 31 provinces in China from 2011 to 2017, a panel discrete Lotka-Volterra model is established to estimate the relationship between ERP and MES markets. Interaction terms for time, region, and core variables are introduced to examine the heterogeneity of the relationship between ERP and MES. The results show that the market of ERP and MES for digital technology products in China presents a mutually beneficial and symbiotic relationship. However, there is regional and temporal heterogeneity in the relationship: from 2011 to 2016, showing a significant symbiotic and mutually beneficial relationship subsequently shifts to a weak predator–prey relationship, with the ERP market being more dominant; there is a significant regional imbalance between the provinces of China, with Jilin and Gansu Provinces showing a strong symbiotic relationship, while Qinghai and Tibet have no relevant links. The effectiveness of the novel Lotka-Volterra model has been verified by its significant prediction accuracy and greatly enhanced robustness.
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