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AI 根据所提供的论文材料归类:材料直接讨论断点回归对二元处理局部因果效应的识别。

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关注这篇论文的作者
Jaap H Abbring

2023年 Denis Sargan 计量经济学奖

研究问题
这篇奖项介绍说明获奖研究的背景:断点回归如何识别阈值处的局部处理效应,以及研究者为何加入额外协变量提高精度?
方法与思路
材料回顾由运行变量阈值决定二元处理的断点设计,并以阈值两侧比较和局部线性回归说明估计思路,未展开获奖方法。
材料陈述的贡献
材料宣布Alexander Kreiss凭与Christoph Rothe合著的高维协变量断点推断论文获奖,并介绍该研究所处的方法背景。
阅读关注点
应先区分奖项介绍与获奖论文,再查阅后者核对高维协变量的处理、推断有效性条件及其对估计精度的实际影响。
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所给材料是奖项介绍,来自稿件版本未注明的OpenAlex索引摘要;不能将获奖论文的具体方法、定理或结果归于本文。

原文摘要

The editors1 of The Econometrics Journal decided to award the 2023 Denis Sargan Econometrics Prize to Alexander Kreiss (Leizpig University) for his article “Inference in regression discontinuity designs with high-dimensional covariates” with Christoph Rothe in the May 2023 issue of The Econometrics Journal.2 The regression-discontinuity approach can be used to learn about the causal effects of a binary treatment (e.g. enrolment in an educational program) that is fully determined by whether an observed ‘running variable’ (such as an admission test score) exceeds a known threshold or not. Assuming that the outcome is continuous in the running variable, the jump in mean outcomes when the running variable crosses the threshold identifies a local (to those at the threshold) average treatment effect. In practice, this treatment effect can be estimated by comparing average outcomes in subsamples in which the running variable takes values just above and below the threshold, e.g. using local linear regression to control for the effects of the running variable on the outcome. The identification of the treatment effect does not require conditioning on other covariates than the running variable. However, when estimating it, applied researchers often control for such covariates to increase precision.

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