Based on the gravity model,the strength of the economic connection and temporal and spatial evolution characteristics of the performing arts industry in 13 prefecture-level cities in Jiangsu Province are calculated.On the whole,the economic ties of the performing arts industry form a complete network,connections between prefecture-level cities are weakened,and their connections are strong in the south and weak in the north.Locally,the intensity of economic connections in the performing arts industry varies greatly among cities.At the same time,the geographical detector is used to explore the f...
