Instrumental variables

Specifically , in this thesis I use two instrumental variables : Twin and Membership in Rome Catholic .

具体说来，本文尝试了两个工具变量，分别是孪生关系和罗马天主教信仰。

Through semi-parametric estimation using instrumental variables , we found that when birth spacing is around 29 months , the math , reading recognition and reading comprehension scores reach their peak value .

引入工具变量的半参数估计发现，当生育间隔为29个月左右时，数学、阅读识别和阅读理解的成绩达到峰值，此生育间隔即为我们所说的黄金生育间隔。

A Single Platform Bearings-only Target Tracking Algorithm Using Instrumental Variables

一种使用辅助变量的单站纯方位目标跟踪算法

Modification of biased target parameter estimation for static single bearings-only observer by instrumental variables

辅助变量法消除纯方位目标运动参数估计偏倚

The key is how to choose the instrumental variables to generate the instrumental matrixes .

该方法的关键就是选择适当的辅助变量构造辅助矩阵。

In order to study the instrumental variables ' influence on output the impact under different policy states is compared by impulse response function .

为探索货币政策工具变量对产出的影响程度，还通过脉冲响应函数来比较不同政策状态下的冲击效果。

Instrumental variables related by a strict and outer test , sub-sample sensitivity analysis and control variables means to protect the stability of the conclusions .

工具变量通过了严格的相关性和外生性检验，子样本敏感分析和控制变量方法保障了结论的稳健性。

Further , we use variance decomposition technology to examine the contribution-rate to the fluctuation of GDP caused by the shock of different instrumental variables .

同时利用方差分解技术，考察不同货币政策工具变量冲击对国内生产总值GDP的影响及其贡献率的大小。

Topics include statistical inference , regression , generalized least squares , instrumental variables , simultaneous equations models , and the evaluation of government policies and programs .

主题包含了统计的推论、回归、一般化最小平方、工具变数、联立方程模式、以及政府政策与计划的评估。

This paper further inspect through the variable substitution endogenous test and introduce appropriate instrumental variables regression three stage least squares method , to ensure the reliability of the conclusion of the study .

本文通过因变量替换进一步检验和引入合适的工具变量进行三段最小二乘法回归的内生性检验，保证了研究结论的可靠性。

LPC gives biased estimation when analysis is pitch-asynchronous , so that the errors of formant parameter estimation of LPC are large . Modification of Biased Estimation for Static Single Bearings-only Observer by Instrumental Variables

LPC在非基音同步情况下是一种有偏估计算法，用于共振峰参数估计时误差较大。辅助变量法消除估计偏倚的验证

In the proposed method , proper instrumental variables are constructed to suppress the effects of noise on the detection performance , and a useful criterion for detection is derived based on the asymptotical analysis of the orthogonality between signal and noise subspace .

构造适当的辅助变量减轻甚至消除噪声对检测性能的影响.对信号子空间和噪声子空间的正交性进行了分析得出新的估计准则。

In this paper , a best instrumental variable estimator is made up by the linear combination of a few instrumental variables from an equation model of econometrics .

针对单方程的经济计量模型从多个可供选择的工具变量出发，用它们的估计量的线性组合构造一个最佳工具变量估计量，并给出了一个阐述结果的例。