This paper uses the propensity score matching method to solve the endogenous problem effectively, basing on the panel data of listed companies from 2005 to 2012.
基于2005—2012年上市公司的面板数据，本文采用倾向评分匹配的方法，有效解决了样本“内生性”问题。
We will explore new methods that combine spatial econometric techniques and methods used in the program evaluation literature such as difference-in-differences and propensity score matching methods.
我们将探索把空间经济学技术和那些被用在项目评估文学中的方法结合起来的新方法，如“异中求异”的方法和倾向匹配划分方法。
The paper USES the propensity score-matching method to estimate the effects on training on rural labor's earnings based on micro data of Jilin Province in 2006.
基于2006年吉林省进城务工人员调查数据，采用倾向分匹配法对农民工的培训收入效应进行估算。
The paper USES the propensity score-matching method to estimate the effects on training on rural labor's earnings based on micro data of Jilin Province in 2006.
基于2006年吉林省进城务工人员调查数据，采用倾向分匹配法对农民工的培训收入效应进行估算。
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