Use the multivariate regression to do the small-scale empirical research on the 50 valid samples.

使用多变量回归对50个有效样本进行了小规模的实证研究。

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An empirical research on the relation between family background and abandonment of college access was conducted in this paper.

本文基于实地调查结果，分析家庭背景与高中毕业生就读大学机会的关系。

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The third part does a theoretical analysis and an empirical research on the reasons of the new trend of fertility in Zhejiang Province.

第三部分，结合浙江省的实际情况对生育率新趋势的原因做了理论分析与实证研究。

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Some of the most careful and convincing empirical research on the employment effects of minimum wages has been done by David Neumark and William Wascher.

FORBES: Resources on the Minimum Wage

One of the few empirical research studies on the subject, published in 1990, found that when groups of employees received a 15 percent pay cut, theft increased.

FORBES: Pay Employees More and They'll Steal Less

Unfortunately, most of the empirical research on whether immigrants make natives worse off in practice is also inconclusive except that the effect, one way or the other, seems small.

ECONOMIST: Workers of the world | The