通过机器学习估计倾向得分是否改进了匹配估计？以德国长期失业者项目为例

Does the estimation of the propensity score by machine learning improve matching estimation? The case of Germany's programmes for long term unemployed

• Daniel Göller · 圣加仑大学 通讯
• Michael Lechner · 圣加仑大学
• Andreas Moczall
• Joachim Wolff