Spatio-Temporal Evolution of the Digital Industry and Its Impact on Urban Economic Resilience: Evidence from Fujian Province

This article calculates the sustainability level of the digital industry and urban economic resilience across Chinese counties, utilizing data from the Fujian Statistical Yearbook and the Chinese Industrial Enterprise Database. And then we employ spatial kernel density estimation, System Generalized Method of Moments, threshold regression, and the Spatial Durbin Model to analyze the mechanisms through which digital industry sustainability influences urban economic resilience. The empirical results indicate that: (1) the levels of urban economic resilience across counties tend to converge; however, there is significant clustering characterized by low resilience. (2) The coordinated development of the digital industry among counties is not significant, and spatial spillover effects remain weak. (3) The relationship between digital industry sustainability and urban economic resilience is found to be highly significant and stable, exhibiting a clear U -shaped pattern. JEL Classification: D21, L63, H54.