EC 2303: Foundation for Econometrics
Fall 2012
Problem Set 5
Due on November 12 (Monday, 5:30 pm)
Rules for assignments:
(i) Show all the work leading to your answers.
(ii) You must write your name, matric number, and tutorial group number.
Missing any of
EC 2303: Foundations for Econometrics
Spring 2012
Final Examination
Problem 1 (5 points) The scores of the nal exam of 10 students in class
X is f88; 91; 88; 85; 82; 82; 94; 76; 71; 85g: Calculate the mean, median, mode,
variance, standard deviation, and
EC 2303: Foundation for Econometrics
Spring 2012
Final Examination
Answer Key
Problem 1 (5 points) The scores of the nal exam of 10 students in class X
is f88; 91; 88; 85; 82; 82; 94; 76; 71; 85g: Calculate the mean, median, mode, variance, standard devia
462 Chapter I 1 Comparisons Involving Proportions and a Test of Independence
Where do women most often buy casual clothing? Data from the US. Shopper Database
provided the following percentages for women shopping at each of the various outlets (The
Wall S
Formula Sheet
for EC 2303 Final Examination
Note for all random variables X, f (x) denotes the probability function (for discrete cases)
and the probability density function (for continuous cases).
Population mean:
=
PN
i=1
N
2
Population variance:
xi
=
;
Microeconomics Lectures
Welfare Economics
The Efficiency of Markets
Lecture 4
Application: Government Intervention in Markets
Market Failure
Externalities
Public Goods and Common Resources
Perfectly Competitive Markets
Lecture 5
The Costs of Production
Pe
EC3371 Development Economics
First Term, 2016-17
Environment and Economic Development
April,2017
Environment and Economic Development
I
I
China is choking on its own economic success (NYT, 2007)
I
Only 1 percent of the countrys 560 million city dwellers b
EC3371 Development Economics
First Term, 2016-17
Foreign Aid and Economic Development
November,2016
The Need of Foreign Aid
Poverty Trap and Big Push
I
Worry that a countrys lowly economic position may be
perpetuated
I
We dont observe income convergence w
Out Of Africa
Chang Jie Lin A0130976Y
Tay Gui Fang Rachel A0127232R
Gabriel Tee A0124793Y
Parvathy Aarthy Annamalai A0118778M
Toh Shing Hwei Cheryl A0127177B
Out Of Africa
Ashraf and Galor
Our Opinion on Out of Africa
Migratory Distance - Important Determ
EC3371 Development Economics
Second Term, 2016-17
Lecture 5
The Lewis Model of Structural Change
February, 2017
Outlines
I
Structural transformation: from A to NA
I
The Lewis two-sector model
I
The neoclassical two-sector model
I
Structural transformation
EC3771 Development Economics
Second Term, AY2016-17
Lecture 1
Introduction
January, 2017
Outlines
I
Course information
I
The relation between economic growth and development
I
Measuring economic growth and development
I
An overview of economic growth arou
EC3371 Development Economics
Second Term, 2016-17
Lecture 4
Institutions and Development
February, 2017
Outlines
I
Revisiting the geography hypothesis
I
The institution hypothesis of development
I
Empirical evidence on institutions and growth
Revisiting t
EC3371 Development Economics
Second Term, 2016-17
Lecture 2
Economic Growth Model
January, 2017
Outlines
I
The baseline Solow model
I
The Solow model with technology change
I
The weakness of the Solow model
I
Growth accounting
Motivation
I
Time trend: wha
EC3371 Development Economics
Second Term, 2016-17
Lecture 3
Geography, Climate, and Development
January, 2017
Outlines
I
Econometrics issues: OLS and IV estimation
I
The geography hypothesis of development
I
Empirical evidence on temperature and growth
Ec
Week 1: CDF & PMF
Probability Theory
Provides an analytic tool to understand
the underlying structure of data
Probability Mass Function (PMF)
" = ( = )
1. " 0 for all
2.
, " = 1
e.g. Suppose you roll a normal six-sided
die once and define to be the numbe
Todays plan
Adverse Selection
Signaling
Moral Hazard
Incentive Contracts
1
Signaling
Adverse selection is an outcome of an
informational deficiency.
We saw that high quality sellers (e.g. Peach sellers)
lose out when adverse selection is present in
Problem Set #9
1. The neighbourhood of Clementi wants to build a new public park. There are 1000
citizens of Clementi who consume only one private good, satay (denoted ). All citizens
have the same utility function: ( , ) =
100
where is the size of the p
Problem Set #8
1. Joey has a sandwich shop located next to Chandlers cigarette store in a small shopping
mall. The number of customers who frequent the mall to shop at either store depends on
the amount of money the store spends on advertising in a day. I
Week 13 Problem Set
1. The neighbourhood of Clementi wants to build a new public park. There are 1000
citizens of Clementi who consume only one private good, satay (denoted ). All citizens
have the same utility function: ( , ) =
100
where is the size of
Week 12 Problem Set
1. Joey has a sandwich shop located next to Chandlers cigarette store in a small shopping
mall. The number of customers who frequent the mall to shop at either store depends on
the amount of money the store spends on advertising in a d
Problem Set #10
1. Old MacDonald has a farm (E.I.E.I.O). The farm produces hay. He has a single employee,
Jack. If Jack works for hours he can produce bales of hay. Each bale of hay sells for
2
$1. The cost to Jack of working hours is () = 10.
a. How much
Problem Set #10
1. Old MacDonald has a farm (E.I.E.I.O). The farm produces hay. He has a single employee,
Jack. If Jack works for hours he can produce bales of hay. Each bale of hay sells for
2
$1. The cost to Jack of working hours is () = 10.
a. How much
Week 3 Problem Set
1. Calculate the following:
a. The present value of $1,000,000 delivered 20 years in the future if the interest rate
is 20%.
b. The value of $1,000,000 20 years from now if the interest rate is 15%
c. The present value of a bond which p
EC3303 Summary
Treatment Group the plot of soybeans that will have fertilisers applied
Control Group the plot of soybeans that will not have fertilisers applied
Confounding/Contaminating factors factors that cause non-random
assignment into the treatment
EC3303 Econometrics I Homework 2
(Note: Please type your answers and hand in only 1 copy per group. Write all group members
names, matric no.s and tutorial groups in your submission. Deposit your submission in Kelvin
Seahs Mailbox (mailbox 59) at the Econ
EC3303 Econometrics I Homework 2
(Note: Please type your answers and hand in only 1 copy per group. Write all group members
names, matric no.s and tutorial groups in your submission. Deposit your submission in Kelvin
Seahs Mailbox (mailbox 59) at the Econ
EC3303: Econometrics I
Review of Probability
Kelvin Seah
AY 2016/2017, Semester 2
1
Probability Models
We can describe random phenomenon using probability models.
A probability model has 2 components:
A list of possible results or outcomes
A probability a
Solutions:
1. B
2. C
3. E
4. E
5. D
6. A
7. A
8. D
9. B
10. B
11. C
12. C
13. A
14. A
15. D
16. D
17. B
18. B
19. E
20. E
21. B
22. D
23. B
24. C
25. B
26. A
27. C
28. D
29. B
30. B
31. A
32. D
33. D
34. A
35. C
36. B
CHAPTER 19THE PRICE LEVEL AND INFLATION
MULTIPLE CHOICE
1.
An index number is important only in a relative sense - in comparison to an
index number from another period.
a.
True
b.
False
ANS: A
PTS: 1
DIF: Difficulty: Easy
NAT: BUSPROG: Analytic
STA: DISC: