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difference in differences

  • 双重差分:双重差分(DID或DD)是一种在计量经济学和社会科学的定量研究中使用的统计技术,试图通过研究治疗组与对照组在自然实验中的差异效应来模拟实验研究设计。它通过比较治疗组的结果变量随时间的平均变化与对照组的时间平均变化来计算治疗(即解释变量或自变量)对结果(即响应变量或因变量)的影响。尽管它旨在减轻外部因素和选择偏差的影响,但根据治疗组的选择方式,该方法仍可能受到某些偏差的影响(例如,均值回归、逆因果关系和遗漏变量偏差)。

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  双重差分

...固定资产 就业 双重差分 [gap=20434]Key words: value-added tax, firm, fixed asset, employment, difference-in-differences ...

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短语

difference-in-differences model 双重差分模型

difference in differences 倍差法

Difference-in-Differences Estimation 采用双重差分估计策略

Difference in differences

  • abstract: Difference in differences (sometimes 'Difference-in-Differences', 'DID', or 'DD') is a technique used in econometrics that measures the effect of a treatment at a given period in time. It is often used to measure the change induced by a particular treatment or event, though it may be subject to certain biases (mean reversion bias, etc.

以上来源于: WordNet

双语例句

  • Obviously, the easiest way was just using the "difference-in-differences" analysis, which was popular among many areas of economics.

    显而易见简单的办法就是使用“双重差分法”(亦译作“倍差法”),在经济学很多领域得到了广泛应用。

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  • 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.

    我们探索空间经济学技术那些被项目评估文学中的方法结合起来的方法,“异中求异”的方法和倾向匹配划分方法。

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  • This striking difference must have some effect and, because the difference is in the parts of the brain involved in intellect, we should be looking for differences in intellectual processing.

    这种显著差异肯定一定影响而且由于这种差异存在大脑智力有关部分我们应该寻找智力处理过程中的差异

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