该文采用政策及项目实施效应评价模型("倍差法"(Difference-in-Difference))作为分析模型.对政策实施的目标实现程度以及对政策目标群体的影响分析与评价.
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...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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Difference-in-Difference Model 双重差分模型 ; 查验的两重差分模子
Difference-In-Difference Estimator 估计量
Difference-in-Difference matching approach 倍差匹配法
Difference-in-Difference approach 分析法 ; 自然试验评估方法
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.
这种显著的差异肯定有一定的影响,而且,由于这种差异存在于大脑中与智力有关的部分,我们应该寻找智力处理过程中的差异。
It turned out there was no difference in IQ, no difference in academic qualifications, no difference in years on the job.
结果发现,他们的智商、学历和工作年限并没有差别。
In such a case, the difference in life chances reflects no difference at all in academic achievement.
在这样的条件下,人生机遇上的差异同学业成就上的差异不会有任何的不同。
She says people would not even notice a difference in taste with three grams, or one-half teaspoon, less salt per day.
VOA: special.2010.01.27
It's really the difference between perseverance in my case, and genius-- pure, unadulterated genius-- in the case of Chopin.
这真是差距,勤奋的普通人,比如我,和天才,浑然天成的天才,比如肖邦,之间的差距
You see the difference in electronegativity, square it, multiply it by one-quarter and raise that to the power e.
你看到了电负性的差异,开方,乘以四分之一,在移到e上去做指数。
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