Evolution of network relations, enterprise learning, and cluster innovation networks: the case of the Yuyao plastics industry cluster

Industrial clusters have become a crucial carrier of economic globalisation. However, constrained by the nation's industrial development model, clusters in China have long been relegated to a low-end position. This study, based on the perspective of focal enterprises, analysed the relationships among network relations, enterprise learning, and the evolution of cluster innovation networks and explored the three formation stages of a cluster innovation network by examining the example of the Yuyao plastics industry cluster. The results showed (1) that focal enterprises exert spin-off effects on enterprise learning and are critical for innovation networking and (2) that weak network ties facilitate exploratory learning, whereas strong ties influence exploitative learning. In addition, tie strength showed a coevolutionary feature. Furthermore, the results showed that (3) this evolutionary process demonstrated a phase-changing characteristic, with government policy exhibiting substantial effects on focal enterprises, organisational learning mechanisms, and cluster innovation networks.