Econ 102
Tutorial Week 3
David Rietzke
Required Questions
1. Dimethylpolysiloxane is a chemical used in the U.S. to produce various items
sold by fast food restaurants, like McDonalds. Graphically illustrate and
explain what would happen in th
Lecture 3 Rules of Logarithms and the exponential e
Mico economists and macroeconomist often specify models as
been log linear in form that is where variables are defined in
terms of logarithms. This sometimes better captures the
relationship between vari
Lecture 4 Introduction to Calculus and The First Rule Of
Calculus
Calculus is simply a method of determining how a variable
changes for an infinitesimally small change in another variable.
Consider first the linear relationship between two variables , y
a
Lecture 2 Rules of Exponents
This process of using exponents is called "raising to a power", where the
exponent is the "power". The expression "53" is pronounced as "five,
raised to the third power". So "53" is commonly pronounced as "five
cubed.
22 "two
Alao
Amir
Economie : Epreuve compose
Partie 1
1) La loi des rendements dcroissants est un principe instaur par
lconomiste Ricardo. Selon lui, lorsque les moyens de
production augmentent, au fur et mesure du temps, le
rendement que lon obtient devient de m
Econ 102
Tutorial Week 4
1.
A price-taking firm makes air conditioners. The market price of one of their new
air conditioners is 120. Its total cost information is given in the table below.
Air conditioners per day
Total cost ( per day)
1
2
3
4
5
6
7
8
10
Econ 102
Tutorial Week 6
In problems 1-3, state whether the statements are true or false and explain why.
1. a. In a perfectly competitive industry the demand curve is horizontal, whereas for a
monopoly it is downward sloping.
b. Perfectly competitive fir
Econ 102
Tutorial Week 5
Geraint Johnes
1. John Jones owns and manages a caf whose annual revenue is 5,000. The
annual expenses are as in the table below.
Expense
Labour
Food and drink
Electricity
Vehicle lease
Rent
Interest on loan for equipment
a.
2,000
ECON 103 Tutorial Questions-Week 15
1. Suppose a friend of yours has asked you to invest $1 million in a research venture to
make a light saber. You would probably ask what the likelihood of success will be;
youll get a complicated answer. This is
ECON 103
Statistics-Lecture 5
Dr. Swarnodeep Homroy
Basic Postulates of Probability
0P(A)1
P(): Probability of an event not happening
P(A)=1-P()
P (AUB): Probability of either A or B happening
P (AB): Probability of BOTH A and B happening
P(AUB)= P(
ECON 103 Tutorial Questions-Week 15
1. Suppose a friend of yours has asked you to invest $1 million in a research venture to
make a light saber. You would probably ask what the likelihood of success will be;
youll get a complicated answer. This is a resea
ECON 103 Tutorial Questions-Week 15
1. Suppose a friend of yours has asked you to invest $1 million in a research venture to
make a light saber. You would probably ask what the likelihood of success will be;
youll get a complicated answer. This is a resea
ECON 103 Tutorial Questions-Week 15
1. Suppose a friend of yours has asked you to invest $1 million in a research venture to
make a light saber. You would probably ask what the likelihood of success will be;
youll get a complicated answer. This is
ECON 103 Tutorial-Week 14
1. Suggest at least two alternatives to designing a statistical investigation to examine: Does
smoking cause cancer? Comment on the relative merits and limitations of both the
alternatives.
Answer Key:
Randomized Control Trial in
ECON 103 Tutorial-Week 14
1. Suggest at least two alternatives to designing a statistical investigation to examine: Does
smoking cause cancer? Comment on the relative merits and limitations of both the alternatives.
2. This is a follow up from the questio
ECON 103 Tutorial-Week 14
1. Suggest at least two alternatives to designing a statistical investigation to examine: Does
smoking cause cancer? Comment on the relative merits and limitations of both the
alternatives.
2. This is a follow up from the questio
QUESTION 1
For each stock in the stock market, the number of shares sold daily equals the
number of shares purchased. That is, the quantity of each firms shares demanded
equals the quantity of its shares supplied. So, if this equality always occurs, why
d
Question 1
A purely competitive cotton producer can sell any quantity of oil he produces for 10 per kg. His
five acres of land show diminishing returns because some are better suited for cotton production
than others. The first acre can produce 1000 kg, t
Question 1
Maria was earning 100,000 a year working at a bank. She decided to start her wn financial
consultancy business. She used 500,000 in savings that earned 5% interest annually to finance
the new business. In the first year, the firm earned revenue
Exercise
Suppose an investment costs 12,000 and yields 5,000 per year for three years. At the end of the
three years, the equipment has no value. Work out whether the investment will be profitable if
the rate of discount(i.e., interest rate) is
(a)5%
(b)1
ECON 103 Quantitative Methods for Economics Test 2
Time allowed: 1 hour and 30 minutes
Please answer ALL questions using as much precision and detail as the
time allows, showing all work. Correct answers which are unsupported by
explanations will not be a