中文摘要：

研究目的：分析新增建设用地指标管理的弊端，研究提高土地资源利用效率的办法。研究方法：理论模型法、实证分析法。研究结果：建设用地差别化管理优化了不同区域、不同部门、不同产业之间的土地资源配置效率，减少社会整体福利损失，实现了土地资源配置的帕累托改进。研究结论：建设用地差别化管理提高了土地资源利用效率，是对新增建设用地指标的调整和修正，是一种有价值的探索。

英文摘要：

The purpose of the study is to discuss the disadvantages of new construction land index management to improve the utilization efficiency of land resources. The methods are theoretical models and empirical analysis. The results show that discriminative management of construction land can optimize the efficiency of land resource allocation among different areas, different sectors, and different industries, can reduce the whole social welfare losses, and also can realize the Pareto improvement of the allocation of land resources. The conclusion is that discriminative management of construction land can improve the efficiency of the use of land resources. The adjustment and correction of the new construction land index is a valuable exploration with obviously comparative advantages.