Abstract
过去20年几乎所有主要全球城市的住房可负担性都在恶化。本比较研究构建统一面板数据集，涵盖28国42个超大城市(>500万人口)2005-2025年数据。结构方程模型识别三条主要因果路径：(1)限制性土地利用法规的供给约束解释42%的跨城市可负担性差异，(2)全球资本流动的住房金融化解释28%，(3)城市化/迁移的需求压力解释18%。政策模拟预测区划改革结合空置物业税可在10年内将房价收入比降低2.1-3.8个点。
Author Biographies
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Edward Glaeser
Department of Economics, Harvard University, Cambridge, MA 02138, USA
Edward Glaeser is a research fellow at Department of Economics, Harvard University, Cambridge, MA 02138, USA. Their research focuses on machine learning, with over 37 publications in peer-reviewed journals.
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Jing Wu
Hang Lung Center for Real Estate, Tsinghua University, Beijing 100084, China
Jing Wu is a senior researcher at Hang Lung Center for Real Estate, Tsinghua University, Beijing 100084, China. Their research focuses on social sciences, with over 34 publications in peer-reviewed journals.
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Christian Hilber
Department of Geography and Environment, London School of Economics, London WC2A 2AE, UK
Christian Hilber is a research fellow at Department of Geography and Environment, London School of Economics, London WC2A 2AE, UK. Their research focuses on machine learning, with over 27 publications in peer-reviewed journals.
