Based on the panel data of 41 prefecture-level resource-based cities in the Yellow River Basin from 2000 to 2019 and the relationship between urbanization and industrial collaborative agglomeration on land use efficiency, this paper uses spatial autocorrelation analysis and spatial Durbin model to analyze the spatial spillover effect of urbanization and industrial collaborative agglomeration on land use efficiency. The threshold regression model is used to discuss the threshold characteristics of industrial collaborative agglomeration in resource-based cities, and the crowding effect matrix table is innovatively constructed. The results show that the land use efficiency among resource-based cities in the Yellow River Basin is geographically correlated with the same high agglomeration or the same low agglomeration in space, and the spatial spillover inhibitory effect of urbanization accounts for 70% of the total inhibitory effect, showing an inhibitory effect. The spatial spillover growth effect of industrial collaborative agglomeration accounts for 70% of the total growth effect, and the spatial spillover inhibitory effect accounts for 20% of the total inhibitory effect, which shows the role of rapid promotion and gradual inhibition. After 2014, the agglomeration effect of some resource-based cities in the Yellow River Basin has accelerated to the threshold, among which Luoyang, Shizuishan, Shuozhou, Wuhai and Jinchang perform well and have the best agglomeration. Baotou and Ordos form a collaborative relationship between cities. The industrial agglomeration of most resource-based cities is still insufficient or crowded, and the future development should combine the characteristics of the city itself to play a synergistic role between adjacent cities.

resource-based cities, land use efficiency, urbanization, industrial collaborative agglomeration; spatial Durbin model, threshold effect