2sls

The estimators got by 2SLS and QR both exist apparent biases .

使用2SLS与普通分位数回归方法（QR）得到的估计都存在较大的偏差。

A clear and simple proving method is given , for that ILS estimator equals 2SLS estimator to simultaneous equations econometrics model , while the structure equation is just right for identification .

针对联立方程计量经济学模型，在结构方程为恰好识别时，ILS估计和2SLS估计的等价性，给出了一个清晰、简洁的证明方法。

The paper takes the annual data of Hi-tech products from 1992 to 2003 and uses the method of 2SLS to have the theoretical and positive research on the Hi-tech products ' pulling effect to the economic growth .

本文采取我国1992-2003年高新技术产品出口的年度数据，采用2SLS的方法对高新技术产品出口对经济增长的拉动效应进行了理论和实证研究。

2SLS estimation result shows that after controlling some regional and historical factors ( such as transportation , technology , economic development level and industrial structure ), the governments have significant negative effects on the inter-regional industrial structure differences .

2SLS估计结果表明在控制了运输条件、技术差距、经济发展水平和产业结构等地区和历史因素后，政府变量对地区间产业结构差异变化有显著的负影响。

We apply 2SLS to examine empirically the joint determinations of debt maturity and capital structure while taking into account the interdependent relation between debt maturity and capital structure , extending the previous studies . We do it by constructing structure-equation model and using panel data of Chinese listed companies .

在考虑债务期限与资本结构相互依赖关系下，通过构建结构方程模型，采用中国上市公司面板数据，应用2SLS对债务期限和资本结构的联合影响因素进行经验检查，以拓展先前研究。