2026年 04期

摘要(Abstract)：

为了破解城镇化存量提质阶段建筑物机械拆除行业面临的区域政策激励不均、技术与更新场景适配不足、跨主体协同缺失等问题，实证剖析城市更新政策赋能建筑物机械拆除行业的机制，以山东省2015—2024年的相关数据为样本，采用双重差分法实证检验城市更新政策对建筑物拆除的赋能效应，通过平行趋势检验、安慰剂检验、倾向得分匹配-双重差分法等方法验证政策的赋能效应结果稳健性。结果表明：城市更新政策对建筑物机械拆除数量具有显著正向作用，核心解释变量回归系数在水平为5%时显著为正，模型调整后决定系数R2最高达0.985 1；城市更新政策通过需求扩容、标准规范、要素集聚三大机制实现对建筑物机械拆除行业赋能；建筑物机械拆除须适配更新场景动态调整技术路径，核心城区宜采用精细化模式，外围区域侧重效率优先，部分项目可结合预埋爆破与资源回收实现综合效益。

关键词(KeyWords)：城乡规划; 城市更新政策; 双重差分法; 建筑物机械拆除; 赋能机制

基金项目(Foundation):山东省自然科学基金项目(ZR2024MG033)

作者(Author): 卢旺，许晓阳，崔娜

DOI:10.13349/j.cnki.jdxbn.20260624.001

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