题目内容
（请给出正确答案）
提问人：网友xxfylq
发布时间：2022-01-07
[主观题]
In Lecture note by Hong （2016), he argured modern econometrics is essentially built upon t
In Lecture note by Hong (2016), he argured modern econometrics is essentially built upon the following fundamental axioms: (1)Any economy can be viewed as a stochastic process governed by some probability law. (2)Economic phenomenon, as often summarized in form of data, can be reviewed as a realization of this stochastic data generating process. Discuss their roles and implications.
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
抱歉！暂无答案，正在努力更新中……
. Show explicitly that E[Xh(Y)|Y] =h(Y)E(X|Y) in this case.
-1)+u, where X~N(0,1), u~N(0,1), X and u are independent. (1) If the model is Y=1+X+ε, show that E(Xε)=0; (2) Calculate E(X|ε).
