The Chinese University of Hong Kong
Department of Economics
ECO 2011A Final Exam
December 23rd, 2009
INSTRUCTIONS:
This is a two-hour closed-book exam. You can use a calculator if you want. But
you are not allowed to use, books or any other aids. The exam
STAT2001 Assignment 3
Do all 6 questions. Show your steps clearly.
Deadline for this assignment is 12th Nov. 6:30p.m. You can submit to the assignment locker
(next to LSB 125) or to your Tutors.
1. A filling station is supplied with gasoline once a week.
STAT2001 A/B
Assignment 1
Please do the following 10 exercise questions from the textbook (the 8th edition):
1.2-8; 1.2-18;
1.3-8; 1.3-20;
1.4-6; 1.4-10;
1.5-6; 1.5-18;
1.6-2; 1.6-8.
Deadline for this assignment is 4th October 6:30p.m. You can submit to t
ECO 2011A Fall 2010
Problem Set 4
Due: 4:30pm on November 22 (Monday)
Please submit your assignment with a signed statement with the following declaration:
I declare that the assignment here submitted is original except for source material explicitly
ackn
ECO 2011A Fall 2010
Problem Set 4 Solutions
Mathematical Notes:
[You might need to use the following formula in answering some of the questions in this
problem set.]
Let f(q) denote a function of q such that f (q) = aq 2 + bq + c , where a, b, c are const
ECO 2011A Fall 2010
Problem Set 3
Due: 11:30 am November 3rd
Please submit your assignment with a signed statement with the following declaration:
I declare that the assignment here submitted is original except for source material explicitly
acknowledged,
ECO 2011A Fall 2010
Problem Set 3 Solutions
Due: 11:30 am November 3rd
Questions:
1. Are the following statements true or false? Explain why.
(a).
For a given technology and input prices, the long run average and marginal costs are
always below the short
ECO 2011A Fall 2010
Problem Set 2
Due: 11:30am 6 October 2010
Please submit your assignment with a signed statement with the following declaration:
I declare that the assignment here submitted is original except for source material explicitly
acknowledged
ECO 2011A Fall 2010
Problem Set 2 Solutions
Questions:
1.
Are the following statements true or false? Explain why.
(a).
Suppose a market has two consumers. If one has the demand curve q1 = 10 P and the
other has the demand curve q2 = 20 P , then the marke
ECO 2011A Fall 2010
Problem Set 1
Due: 4:30 pm September 27th
Please submit your assignment with a signed statement with the following declaration:
I declare that the assignment here submitted is original except for source material explicitly
acknowledged
ECO 2011A Fall 2010
Problem Set 1 Solutions
Questions:
1. Are the following statements true or false? Explain why.
(a).
Tom consumes candy (C) and soda (S) only. He has a budget constraint PC C + PS S = I .
Thus, at his optimal choice of market bundle (C,
The Chinese University of Hong Kong
Department of Economics
ECON 2011A Final Exam Solutions
23 December 2010
INSTRUCTIONS:
This is a two-hour closed-book exam. You can use a calculator if you want. But
you are not allowed to use reference materials or any
The Chinese University of Hong Kong
Department of Economics
ECO 1011A Midterm Exam
October 19, 2009
1. True or False
For each question, write down whether the statement is True or False and fully
explain your answer. No credit will be given for an answer
ECO 1011A Midterm Exam Solutions
October 19, 2009
1. True or False
For each question, write down whether the statement is True or False and fully
explain your answer. No credit will be given for an answer without any
explanation.
(a) If Coke and Pepsi are
ECO 1011A Final Exam Solutions
December 23rd, 2009
1. (TOTAL: 25 points) True or False
In this section, write down whether the statement is True or False for each question
and fully explain your answer. No credit will be given for an answer without any
ex
ECO 2011A Fall 2010
Problem Set 5 Solutions
Mathematical Notes:
[You might need to use the following formula in answering some of the questions in this
problem set.]
Let f(q) denote a function of q such that f (q) = aq 2 + bq + c , where a, b, c are const
ECO 2011A Fall 2010
Problem Set 5
Part I Due: 4:30pm on November 29 (Monday)
Please submit your assignment with a signed statement with the following declaration:
I declare that the assignment here submitted is original except for source material explicit
Suggested solution to Midterm exam
Question 1:
Consider a sample space S, with events A, B and C such that:
P ( A) = 0.3, P ( B ) = 0.2, P (C ) = 0.3,
P ( A B ) = 0.5, P ( A C ) = 0.5, P ( B C ) = 0.4,
P ( A B C ) = 0 .6 .
(a) (8 marks) Compute P ( A B C
Fall 2008
STA2001 Midterm Examination
Instructions: It is a 1.5-hour Exam. Do all six questions. Show your work clearly.
Give the best answer to each question.
Question 1 [16 marks]:
3
1
and P(B)= . Show that:
4
3
1
1
P( A B)
12
3
(b) The events A,B and
STA 2001 midterm solution
1. (a)
1 P( A B)
1 P( A) + P ( B) P( A B)
P( A B) P( A) + P( B) 1
31
1
P( A B) + 1 =
43
12
Q P( A B) P( A) P( A B) P( B)
P( A B)
1
3
Combining we have:
1
1
P( A B)
12
3
(b) P(at least 2 events)
= P( A B) + P( A C ) + P( B C
Suggested Solution:
1.2-8
(a) P ( A B ) = P ( A) + P ( B ) P ( A B ) = 0.4 + 0.5 0.3 = 0.6
(b) P( A B ') = P ( A) P ( A B ) = 0.4 0.3 = 0.1
(b) P( A ' B ') = 1 P ( A B ) = 1 0.3 = 0.7
1.2-18
P ( A) =
2[r r ( 3 / 2)]
3
= 1
2r
2
1.3-8
9
P4 =
9!
= 3024
(9 4)
STAT2001 A/B
Assignment 5
Please do the following 8 exercise questions from the textbook (the 8th edition):
5.1-6;
5.2-2 (Consult example 5.2-4 when doing part (b);
5.3-8, 5.3-22;
5.4-8;
5.5-12;
5.6-2; 5.7-14.
Deadline for this assignment is 6th December
STAT2001 A/B
Assignment 4
Please do the following 10 exercise questions from the textbook (the 8th edition):
3.6-16; 3.6-18;
4.1-4; 4.1-10; 4.1-14;
4.2-6; 4.2-12(a),(b);
4.3-4; 4.3-16; 4.3-18.
Deadline for this assignment is 25th November 6:30p.m. You can
STAT2001 A/B
Assignment 3
Please do the following 8 exercise questions from the textbook (the 8th edition):
2.6-10; 2.6-20;
3.3-2; 3.3-24;
3.4-16; 3.4-22;
3.5-8; 3.5-14.
Deadline for this assignment is 1st November 6:30p.m. You can submit to the
assignmen
STAT2001 A/B
Assignment 2
Please do the following 10 exercise questions from the textbook (the 8th edition):
2.1-12; 2.1-18;
2.2-2; 2.2-14;
2.3-4; 2.3-10;
2.4-4; 2.4-22;
2.5-2 (the distribution in part (f) is called discrete uniform distribution);
2.5-12.
C.U.H.K. ECON1420B/UGEC1560QB Basic Banking and Finance (Fall 2010 Quiz I Version 1.0)
NAME: _(_)
C.U.H.K. ECON1420B/UGEC1560QB Basic Banking and Finance (Fall 2010 Quiz I Version 1.0)
Student I.D.: _
Part II: Compulsory Short Questions Detailed answers.