常見例句雙語例句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.針對單方程的經(jīng)濟計量模型從多個可供選擇的工具變量出發(fā),用它們的估計量的線性組合構(gòu)造一個最佳工具變量估計量,并給出了一個闡述結(jié)果的例。 返回 instrumental variable estimator