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.是什么意思_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.在线翻译_英语_读音_用法_例句