Research on the impact of new quality productivity on high-qualityeconomic development in coal-dependent cities

SHANG Caixia; XUE Ye

Abstract：With the global energy transition and the deepening promotion of the concept of sustainable development,coal resource-based cities are at a critical stage of transitioning towards high-quality development.The emerging productive forces have gradually demonstrated their contextual drive and support for high-quality development in practice.Therefore,based on data from 11 cities in Shanxi Province spanning from 2010 to 2022,this study utilizes a projection pursuit model with an accelerated genetic algorithm to measure the development level of emerging productive forces and adopts the entropy weight TOPSIS method to assess the level of economic high-quality development.It explores the spatiotemporal evolution characteristics of both and analyzes the spatial spillover effect of emerging productive forces on economic high-quality development,as well as the mediating effects of industrial competitiveness and factor allocation efficiency,under three different spatial weight matrices.The results indicate that the overall level of emerging productive forces maintains an upward trend and exhibits a multipolar differentiation pattern.Regions such as Jinzhong and Luliang,adjacent to Taiyuan,have relatively high levels of emerging productive forces.The development disparity among cities is continuously narrowing.The spatial agglomeration level first rises and then declines,with the gravity center located in Taiyuan and Jinzhong,showing a trend of shifting southwestward.The level of economic high-quality development presents an overall"northeast-southwest"spatial distribution pattern,with an increased level of agglomeration.The gravity center shifts within Jinzhong,demonstrating an overall trend of shifting northwestward.Emerging productive forces significantly promote economic high-quality development.Industrial competitiveness and factor allocation efficiency partially mediate the influence of emerging productive forces on economic high-quality development.