We used several instrumental variables to control for the endogeneity of market entry decisions.
我们使用了多个工具变量来衡量市场进入决策问题。
Once just an obscure statistical method, instrumental variables are now popping up all over the place.
“工具变量”以前只是一种模糊统计方法，而如今却满天飞舞。
Proponents of instrumental variables also argue that accurate answers to narrower questions are more useful than unreliable answers to wider questions.
辅助变量法的支持者也指出，精确的结果要比广泛但模棱两可的回答更加有用。
Then explained this paper institutions index's construction, instrumental variable, controlled variable's choice and various variables' data sources carries on showing on the paper.
然后说明了本文制度指标的构建、工具变量和控制变量的选择，并就文中各变量的数据来源进行说明。
Further, on this basis we derived an instrumental variable regression model. After disregarding the effect of multicollinearity among the explanatory variables, we verify the accuracy of the results.
并以此为基础，衍生出工具变量回归模型，在剔除了解释变量多重共线性的影响后，验证了结果的准确性。
Further, on this basis we derived an instrumental variable regression model. After disregarding the effect of multicollinearity among the explanatory variables, we verify the accuracy of the results.
并以此为基础，衍生出工具变量回归模型，在剔除了解释变量多重共线性的影响后，验证了结果的准确性。
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