英文标题：
《Sharp Bounds for the Marginal Treatment Effect with Sample Selection》
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作者：
Vitor Possebom
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最新提交年份：
2019
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英文摘要：
I analyze treatment effects in situations when agents endogenously select into the treatment group and into the observed sample. As a theoretical contribution, I propose pointwise sharp bounds for the marginal treatment effect (MTE) of interest within the always-observed subpopulation under monotonicity assumptions. Moreover, I impose an extra mean dominance assumption to tighten the previous bounds. I further discuss how to identify those bounds when the support of the propensity score is either continuous or discrete. Using these results, I estimate bounds for the MTE of the Job Corps Training Program on hourly wages for the always-employed subpopulation and find that it is decreasing in the likelihood of attending the program within the Non-Hispanic group. For example, the Average Treatment Effect on the Treated is between \\$.33 and \\$.99 while the Average Treatment Effect on the Untreated is between \\$.71 and \\$3.00.
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中文摘要：
我分析了药物内生性选择进入治疗组和观察样本的情况下的治疗效果。作为一个理论贡献，我提出了在单调性假设下，在总是观察到的子种群中，感兴趣的边际处理效应（MTE）的逐点夏普界。此外，我施加了一个额外的平均优势假设，以收紧之前的界限。我进一步讨论了当倾向评分的支持是连续的或离散的时，如何识别这些界限。利用这些结果，我估计了就业服务团培训计划对总就业人群小时工资的MTE界限，并发现非西班牙裔群体参加该计划的可能性正在下降。例如，被治疗者的平均治疗效果在\\$之间。33和\\$。99，而未经治疗的患者的平均治疗效果在\\$之间。71美元和3.00美元。
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分类信息：

一级分类：Economics 经济学
二级分类：Econometrics 计量经济学
分类描述：Econometric Theory, Micro-Econometrics, Macro-Econometrics, Empirical Content of Economic Relations discovered via New Methods, Methodological Aspects of the Application of Statistical Inference to Economic Data.
计量经济学理论，微观计量经济学，宏观计量经济学，通过新方法发现的经济关系的实证内容，统计推论应用于经济数据的方法论方面。
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一级分类：Economics 经济学
二级分类：General Economics 一般经济学
分类描述：General methodological, applied, and empirical contributions to economics.
对经济学的一般方法、应用和经验贡献。
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一级分类：Quantitative Finance 数量金融学
二级分类：Economics 经济学
分类描述：q-fin.EC is an alias for econ.GN. Economics, including micro and macro economics, international economics, theory of the firm, labor economics, and other economic topics outside finance
q-fin.ec是econ.gn的别名。经济学，包括微观和宏观经济学、国际经济学、企业理论、劳动经济学和其他金融以外的经济专题
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一级分类：Statistics 统计学
二级分类：Applications 应用程序
分类描述：Biology, Education, Epidemiology, Engineering, Environmental Sciences, Medical, Physical Sciences, Quality Control, Social Sciences
生物学，教育学，流行病学，工程学，环境科学，医学，物理科学，质量控制，社会科学
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