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
Testing for AR(IS eria Correlation Want to be able to test for whether the errors are serially correlated or not Want to test the null thatp=0 in u,=pu, 1 +et=2.. where u is the model error
Simultaneity Simultaneity is a specific type of endogeneity problem in which the explanatory variable is jointly determined with the dependent variable 2 As with other types of endogeneity, IV estimation can solve the problem o Some special issues to consider with simultaneous equations modelS(SEM) Economics 20- Prof anderson
1. Our company decided to the contract because a number of the conditions in it had not been B) refuse C)assume 2. She is a musician than her brother A)much of B)much as C) more of
Unit 2 Reading Comprehension Directions: There are 3 passages in this unit. Each passage is followed by some questions or unfinished statements For each of them there are four choices marked A), B), C)and
Unit 6 Reading Comprehension Directions: There are 3 passages in this unit. Each passage is followed by some questions or unfinished statements For each of them there are four choices marked A), B), C)and
Unit one Changes in the way we live Teaching Period 10(1-2) Reference book:(New)Integrated Course 3 Student's and Teaching's book Teaching Method: Combining explanation and practice To understand the read ing material (Text A) Important Point: Understanding the read ing material
Unit one Changes in the Way We live PartI Pre-reading task Part II Text a Mr. Doherty Builds His Dream Life Part Ill Text b American Family Life: The Changing Picture Part Iv Theme-related Language
