Statistical inference draws conclusions about a population [i.e., probability density function(DF)] from random sample that has supposedly been drawn from that population

《计量经济学》课程教学资源（国外经典教科书）Introductory Econometrics

Part 1 Introduction Part 2 Towards Neoclassical Growth Part 3 Neoclassical Growth Part 4 Endogenous Technological Change

《计量经济学》课程教学资源（国外经典教科书）Gujarati - Basic Econometrics, Fourth Edition

2.1 SOME NOTATION 1. The Summation Notation X, =X1++...+n can be abbreviated as:Σx,orΣx 2. Properties of the Summation Operator

线性回归模型和一元线性回归模型

Ch. 21 Univariate Unit Root process 1 Introduction Consider OLS estimation of a AR(1)process, Yt= pYt-1+ut where ut w ii d (0, 0), and Yo=0. The OLS estimator of p is given by and we also have

Some Terminology o In the simple linear regression model where y=Bo+ Bx+ u, we typically refer to y as the a Dependent variable, or a Left-Hand Side Variable. or Explained variable, or Regressand

Why study econometrics? Rare in economics(and many other areas without labs! ) to have experimental data Need to use nonexperimental. or observational data to make inferences eImportant to be able to apply economic theory to real world data Economics 20- Prof. Anderson

§2.1 一元线性回归模型的概述 §2.2 回归模型的参数估计