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Econ 107: Asymmetric Information
Fall 2015: Jenkins
Assignment #1
Due: Tuesday October 20, 2015
Instructions: You may work with your colleagues, but you must submit your own assignment to receive credit. The assignment is due at the beginning of the class

Problem Set #3
Solutions
Econ 122A
Spring 2016
1. For a simple linear regression Income = + BM I + u, given a random sample of data, which of the
following statements is true?
(a) OLS estimators are biased when the error u captures perseverance and self-c

Econ 122A Problem Set 2
Due in class on April 30
Name(Print)_
UCI ID_
1-5, Multiple-Choice Questions (Choose the best answer, and briefly explain your
reasoning.)
1. What can be said about the estimated slope coefficient for a regression of Y on X,
vs. th

Econ 122B Sample Midterm
Name (print)_
UCI ID_
1-6, Multiple-Choice Questions (choose the best answer, and briefly explain your
reasoning.)
1. Which of the following models is a linear regression model?
X
a) Y u
b) Y e ( X 1) u
log( X ) 3
c) Y
u
2
d) Y l

Homework: Week 7
some: 5.05 0' 6 pts 4 1 0'2 (1 complete) 7 I D
Save
HW Score: 50.53%. 5.05 of 10 pl
General Empirical 5.1
i! Question Help
0
The estimated slope 31 is - .1305 .
(Round your response to four decimal places)
The esmated model is
line

@ Exercise 3.16 g; Question Help
is administered. Their average test score is 947.67 with a standard deviation at 88.35.
The 95% condence interval for the change in average test score associated with the prep course is ( - 6.37. 17.52
(Round your response

Applied Econometrics |- Econ 122A
Homework: Week 7
Score: 3.33 of 4 pts E 2 of2 (2 complete) v
@ Exercise 52
Suppose that a researcher, using wage data on 263 randomly selected male workers and 294 female workers, estimates the OLS regression
Wa-ge=13.146

Exercise 3.1 6 5; Question Help
Grades on a standardized test are known to have a mean of 930 for students in the United States. The test is
administered to 461 randomly selected students in Florida; in this sample, the mean is 942.09 and the standard
dev

Econ 122A Midterm
Name (print)_
Feb 12, 2015
UCI ID_
Good luck!
Multiple-choice Questions (5 points each in total, where choose the best answer,
2 points, and briefly explain your reasoning, 3 points.)
1. Which of the following models is a linear regressi

Revised 11/1/15
Option 1 Directions:
Administering the MASC Yellow-Book Assessment
to TWO 4th through 7th grade student:
1) Find TWO 20 or 25 minute blocks of time where you can talk INDIVIDUALLY with each of the 2
students. In total, you will need about

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var (a + bX + cY ) = b 2 var (X ) + c 2 var (Y ) + 2bc cov (X , Y )
In the simple linear regression model: Y = 0 + 1 X + u. The
variance of Y is given by (Hint: cov (X , u) = 0)
A. 0 + 1 var (X ) + var (u).
B. 02 + 12 var (X ) + var (u).
C. 12 v

Econ 122A Sample Midterm Name (print)_
UCI ID_
Multiplechoice Questions (4 points each in total, where choose the best answer,
2 points, and briefly explain your reasoning, 2 points.)
1. Which of the following models is a linear regression model?

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Econ 122A Problem Set 4 Name(Print)_
Due in class on Feb 27
1-7, Multiple-Choice Questions (Choose the best answer, and briefly explain your
reasoning.)
1. Suppose you are interested in the e

Econ 122A Problem Set 1 Solutions
Spring 2016
1 Assume Y=1+3X+u, where X, Y, and u=v+X are r.v.s, v is independent of X with E( v ) = 0, Var( v ) = 2 , E( X ) = 4, and Var( X ) = 1.
(1) Calculate E( u | X ), E( Y | X ), E( u | X = 1 ), E( Y | X =
1 ), E(

Econ 122A Problem Set 2 Solutions
Spring 2016
1 What can be said about the estimated slope coefficient for a regression
of Y on X, vs. the estimated slope coefficient for a regression of X on
Y? (Hint: write down the OLs estimator for the slope coefficien

Econ 122A Problem Set 2
Due in class on April 30
Name(Print)_
UCI ID_
1-5, Multiple-Choice Questions (Choose the best answer, and briefly explain your
reasoning.)
1. What can be said about the estimated slope coefficient for a regression of Y on X,
vs. th

Bonferroni confidence intervals
Suppose we want to find confidence intervals I1 , I2 , . . . , Im for parameters 1 , 2 , . . . , m . In the analysis of
variance problem 1 = 1 2 , 2 = 1 3 , . . . , m = k1 k . We want
P (j Ij , j = 1, 2, . . . , m) 1 ,
i.e.

HOW TO WRITE SUCCESSFUL ESSAYS
Different Types of Essays
Most essays entail analysis - close, careful study of a particular topic or issue.
There are many different ways to analyze, such as classifying, comparing and
contrasting, explaining causes and eff

Field Notes
SECTION 5, WEEK 3
Proposal Assignment
Return with comments/edits with Microsoft Word Track Changes
EEE Dropbox return by Wednesday, 1/27 or latest Friday 1/29
Proposal may include suggestions on ways to change questions, things to observe, etc

Week 4 Discussion
JANUARY 29, 2016
Weeks 1-3
Week 1: Came up with topics, research location
Week 2: How to write the proposal assignment (Submitted)
Track Changes Feedback
Week 3: How to write field notes
Feedback
Today: Proposal feedback and how to con

Applied Econometrics l- Econ 12
Homework: Week 7
Score: 5.05 oprts tot2(1oomplete)v p
@ General Empirical 5.1
Report the lstatistie and pvalue for this test.
The t-statistic is 2.694 .
(Round your response to three decimal places)
The pvalue is .0072 .
(R

Applied Econometrics |- Econ 122A
Homework: Week 7
Score: 0 of 4 pts
Exercise 5.2
The estimated effect of gender gap is statistically signicant at the:
I. 5% level
II. 1% level
III. 0.01% level
* |,l|,and|.
x landll.
Illonly.
Ionly.
Construct a 95% cond

Applied Econometrics |~ Econ 122A
Homework: Week 7
Score: 0 of 4 pts
Exercise 5.2
The estimated effect of gender gap is statistically signicant at the:
l. 5% level
II. 1% level
III. 0.01% level
* l,l|,and|ll.
X landll,
Illonly.
Ionly.
Construct a 95% cond

Applied Econometr
Homework: Week 7
Score: 5.05 ofpts e lof2(1complete)Y
@ General Empirical 5.1
Can you reject the null hypothesis at the 5% signicance level?
A. No.
cfw_5 Yes
Construct a 95% condence interval for the slope coe'lcient 1.
The 95% condence

Econ 1008 S17
Homework: Assignment 6_si 7
Score: 0 of 2 pts <ai 3 of 3 (2 complete) a By
Instructorcreated question
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Which one of the following is true? Sony your answer is