供给侧改革视域下要素市场扭曲与中国经济效率——基于财政收支扩张的门槛回归

供给侧改革背景下，实现经济提质增效成为重要议题。以财政收支扩张为门槛变量，运用门槛回归模型探究要素市场扭曲对中国经济效率的影响。结果发现：要素市场扭曲对中国省际全要素生产率的影响存在财政收支扩张的门槛效应；各省市的财政收支规模不断增大，处于中等和高等财政收支扩张区间的省市越来越多，并在东、中、西部蔓延。政府应加快要素市场化配置改革，合理安排财政收支规模和结构，把有限财政资源用于公共服务、基础设施、对外开放和人力资本等，进而推动要素优化配置和经济效率提升。

Factor Market Distortion and China's Economic Efficiency from the Perspective of Supply-side Reform: Based on the Threshold Regression of Fiscal Revenue and Expenditure Expansion

Under the background of supply-side reform, improving economic quality and efficiency has become an important issue. For the first time, this paper takes the expansion of fiscal revenue and expenditure as the threshold variable and uses the threshold regression model to explore the impact of factor market distortion on China''s economic efficiency. The results show that the influence of factor market distortions on China''s inter-provincial total factor productivity has a threshold effect on fiscal revenue and expenditure expansion; The scale of fiscal revenue and expenditure of all provinces and cities is increasing, and the range of middle and high fiscal revenue and expenditure expansion contains more and more provinces and cities, spreading throughout the eastern, central and western regions. The government should accelerate the reform of the market-oriented allocation of factors, rationally arrange the scale and structure of fiscal revenue and expenditure, and invest the finite financial resources in public services, infrastructure, opening-up, and human capital, so as to promote the optimal allocation of factors and the improvement of economic efficiency.