ECON 1001X Assign 2 2020 21f
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Mount Allison University *
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Course
1001X
Subject
Economics
Date
Jan 9, 2024
Type
Pages
7
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1
Mount Allison University
Principles of Microeconomics (ECON 1001X)
Self-directed Distance Learning
Academic Year 2020
–
2021 (Spring 2021)
Assignment 2 (Based on Chapters 4 and 5)
Question 1
For each of the following events, state the relevant elasticity concept. Then calculate the
measure of elasticity, using average prices and quantities (i.e., midpoint formula). In all
cases, assume that these are
ceteris paribus
(i.e., all other things being equal or held
constant) changes.
1.1
When the price of mustard increases from $3.90 to $4.60, quantity demanded for
hotdogs declines from 11,500 to 10,120.
1.2
In response to an increase in the price of farmed salmon from $3.79 to $5.14 per
pound, producers increase their supply from 930 to 1,470 pounds.
1.3
When the price of a dozen of eggs increases from $4.10 to $4.85, egg sales decrease
from 1,700 to 1,600.
1.4
As average household income per month decreases from $4,000 to $3,200 annual
sales of red meat increases from 9,600 to 15,000 pounds.
Question 2
What would you predict about the relative own price elasticity of demand for each of the
following items? Explain your reasoning.
a.
food
b
. vegetables
c.
leafy vegetables
d.
leafy vegetables sold at your local supermarket
e.
leafy vegetables sold at your local supermarket on Wednesdays
2
Question 3
The following demand equation is specified for a good in the market:
In addition, the following supply equation is given for the same good in the market:
,
where
and
are quantity demanded and quantity supplied, respectively, and
P
is the
price of the good in the market.
3.1
Calculate the equilibrium price and quantity transacted in the market.
3.2
Now assume that the government implements a price floor policy for the good and set
the output price to be $110 per unit. Calculate the new quantity demanded and supplied
transacted in the market.
3.3
Calculate the amount of excess supply and the government total expenditure to
purchase the amount of excess supply
.
Question 4
Fill in the blanks to make the following statements correct.
4.1
When a 10 percent change in the price of a good brings about a 20 percent change in
its quantity demanded, we calculate the price elasticity of demand to be ____________ .
We say that demand for this good is __________ .
4.2
When measuring elasticity of demand we calculate the percentage change of both
__________ and ____________ . When calculating the percentage change it is important
to divide the change by the __________ value of the variable.
By doing so we avoid the
problem of having a different measure depending on our starting point.
4.3
Consumers respond to a price change differently over time. Demand tends to be
relatively __________ over short periods of time. Demand tends to be __________ in the
long run than in the short run.
4.4
If producers can easily switch production from strawberry jam to any other kind of
jam, then the elasticity of supply of strawberry jam will be relatively ___________.
3
Question 5
The following diagram shows the supply and demand curve in the Canadian market for
soybeans. The free market equilibrium price and quantity are
5.1
If the price of soybeans is at its market-clearing equilibrium level,
identify the
areas on the graph that sum to this market’s total economic surplus.
5.2
Suppose the government imposes an output quota at
Identify the areas on the
graph that represents th
e reduction in economic surplus as a result of this government’s
imposition of the quota.
5.3
Describe the effect of this quota on market efficiency. Is society as a whole better off?
Question 6
Suppose the own price elasticity of demand for a good is - 2.14.
6.1
Interpret the amount of the own price elasticity of demand for that good.
6.2
If you were to increase your total revenue would you increase or decrease the price of
the good?
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Related Questions
A: Suppose the initial demand at the price of $10 was 100. When the price rises to $12, the demand drops to 30. Find the price elasticity of the demand. Is the demand elastic or inelastic in this price range? Will the revenue increase or decrease as the result of this price change? Justify your answer.
B:. Using calculus, calculate the price elasticity of the following demand functions: D(p)=10-2ln(p) and D(p)=7p -3 .
C: Suppose now that the demand is D(p)=12-3p. At what price is the revenue maximized? What is the maximum revenue? What is the price elasticity of demand at this price?
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Question 3*
(a). Explain the concept of economies and diseconomies of scale and briefly state their effects on the cost function.
(b). Using the original analysis demonstrate how the abnormal demand curve is derived.
(b). What is elasticity in economics? Briefly explain any two types of elasticity that are common in economic analysis.
.*
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When sold for $790.00, a certain desktop has an annual supply of 129.5 million computers and an annual demand of 155.5 million
computers. When the price increases to $865.00, the annual supply increases to 147.5 million computers, and the demand drops to
134.5 million computers.
NOTE: Round slope and vertical intercept to 4 decimal places and use those rounded values to the end.
(a) Assuming that the supply and demand equations are linear, find the supply and demand equations.
Supply Equation p =
Demand Equation p =
esc
(Note: The equations should be in the form p = mq + b where p denotes the price (in dollars) and q denotes the quantity (in
billions). The slope and y-intercept should be accurate to 4 decimal places).
(b) Find the Equilibrium price and quantity.
Equilibrium price p =
Equilibrium quantity q =
9-
F2
A
(Note: The equilibrium price should be accurate to 2 decimal places and quantity should be rounded to the nearest whole number,
and the equilibrium price should include a…
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One question but then there was just two part. Due to the sizing, wasnt able to put the whole question in one picture. Please help !
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Tutorial Exercise
Worldwide annual sales of smartphones in over a 5 year period were projected to be approximately
q = −10p + 4,540
million phones at a selling price of $p per phone.
(a)
Obtain a formula for the price elasticity of demand E.
(b)
In one particular year the actual selling price was $277 per phone. What was the corresponding price elasticity of demand? Interpret your answer.
(c)
Use your formula for E to determine the selling price that would have resulted in the largest annual revenue. What, to the nearest $10 million, would have been the resulting annual revenue?
Step 1
(a)Obtain a formula for the price elasticity of demand E.
Recall that the price elasticity of demand E is the percentage rate of decrease of demand divided by the percentage increase of price, given by the formula.
E = −
dq
dp
·
p
q
We are already given the formula
q = −10p + 4,540
for the demand of smartphones (in millions).
First, we find the derivative…
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A sporting goods store has estimated the demand for a popular brand of running shoes as given in the table below.
Price per unit (OMR)
Shoe sales per week
60
100
50
200
40
300
30
400
20
500
10
600
Graphically present the table to get a demand curve. If the store charges a price of 50 OMR, then increases this price to 60 OMR, estimate price elasticity of demand.
Analyze the total revenue before and after the price change.
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Question attached
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QUESTION TWO
X limited is a company producing two products A and B. The Marketing Manager has the following
information for the products for the first quarter of 2020:
Product Demand
(Units)
Price
(K`000)
January March January March
A 30 15 10 12
B 25 30 10 2
The Marketing Manager wants to establish the Price Elasticity of Demand (PED) of the two products
and strategize for increase in sales revenue.
Required:
(a) Define Price Elasticity of Demand (PED)
(b) Calculate PED for Product A at price K5,000 per unit
(c) Explain the significance of PED for the Marketing Manager in a country like Zambia.
(d) On the basis of PED for each product the Marketing Manager wants to increase sales
revenue for both products.(i) Interpret the results and
(ii) Indicate the strategic option available for the manager as the projects increase in
sales revenue.
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Answer the attached question
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Suppose the supply and demand curves for a particular product are given by: QS = -20 + 2P QD =100 - 2P where QS and QD are quantities in units and P is the price per unit.
(b) Calculate both the demand and supply elasticity around the equilibrium point. [Hint: you can use either the point method or the average arc (midpoint) method.] [5]
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The following is a demand schedule for good Z.
Price per unit (£)
10
15
20
25
30
Q demanded per week
30
25
15
10
(a) Plot the demand curve for good Z to show it is linear.
(b)
(i) Calculate price elasticity of demand (PED) for an increase in price from £5 to £10. Is
demand elastic or inelastic?
(ii) Calculate price elasticity of demand (PED) for an increase in price from £20 to £25. Is
demand elastic or inelastic?
(iii) Using your results of parts (i) and (ii), explain what happens to PED along a straight-line
demand curve.
(c) Explain, using diagrams, the relationship between price elasticity of demand and profits.
E Please select file(s)
Select file(s)
20
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Microeconomics
Assignment 5 Elasticity and its Application [10 points]
Johnson & Johnson recently reduced the price of "Generic A" from $100 to $60 in New Jersey
area market and enjoyed a resulting increase in sales from 600 to 1800 units per day. Sales of
"Generic B" also increased from 300 to 1500 units per day.
1
Calculate the arc-price elasticity of demand for Generic A. You also need to interpret the
elasticity.
2
Calculate the arc-cross-price elasticity of demand for Generic B. You also need to interpret the
elasticity.
3
Is Generic B a "complement" or a "substitute"?
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com/courses/26116/discussion_topics/176523?module_item_id%3D1255293
LTaJtiCTty arna
Topic
According to the law of supply, if buyers are willing to pay more, sellers are willing to supply more. The price elasticity
of supply is a measure of how much sellers are able to adjust the quantity supplied in response to changes in price.
Read the following scenario and answer the corresponding questions.
World renowned fashion designer Alvin Stein died recently. His company, Alvin Stein Designs has released the last
100 pair of his signature ASD Original jeans. The pattern and design sketches for the ASD Originals were buried with
Alvin, per his last wishes. The current price of a pair of ASD Originals is $10,000.
• What is the current price elasticity of supply for a pair of ASD Originals? Explain your answer.
• Five years after his death, Alvin's sister, Jan released an exact replica of the signature jeans, called ASD Original
2.0, priced at $5000. How might this affect the demand for the…
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QUESTION TWO
A. Empirical estimates suggest the following price elasticity of demand: 0.6 for Coca
Cola; 4.0 for foreign vacation travel; and 0.2 for food. Úsing the determinants of
price elasticity of demand, explain why each of these commodities would have
these coefficients elasticity.
B. Lisa Gee Ghana Ltd., is the main sales agent of Infinix phones in Ghana. The
economist of this enterprise has estimated the demand function for the firm's
products per week to be of the form:
Q = 445 - 2.5P - 81 + 2.5Pr
where; Q is the quantity demanded of Infinix phones, P. is its own-price, Pr is the
price of a related good (Tecno Phones) and I is income.
Giventhat Pi = 10, Pr = 5 and I = 40, use the above information to:
i. Determine the quantity demanded of Infinix phones per week and compute
the own-price elasticity of demand for Infinix phones and interpret your
results.
ii. Based on your answer in (i), what pricing policy would you recommend for
the firm in order to maximize its total…
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Below is a graph for the market for product X for a specified time period. Calculate the price elasticity of demand for good X between points E and B.
Calculate the price elasticity of demand for good X between points E and B.
What type of elasticity is calculated (elastic, inelastic, or unitary)?
What does this type of elasticity indicate for product X demand?
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When the price of a gallon of milk increases from $6 to $8, quantity demanded decreases to 27
gallons. Assuming the price elasticity of demand for milk is -0.3, what is the original quantity
demanded? (assuming further that this is the point elasticity relative to the original point on the
demand curve.) Please make sure you give a numerical answer with no units and/or space or
period (.) or comma (,) before or after your answer.
Enter your answer here
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Subject: Business economics
Remaining:
Q3) Colgate sells its standard size toothpaste for Rs. 25. Its sales have been on an average 8000 units per month over the last year. Recently, its competitor Sparkle reduced the price of its same standard size toothpaste from Rs. 35 to Rs. 30. As a result Colgate sales declined by 1500 units per month.
Calculate the cross elasticity between the two products.
What does your estimate indicate about the relationship between the two?
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Calculating the price elasticity of demand: A step-by-stepguide
Suppose that during the past year, the price of a virtual reality headset rose from $4,100 to $4,550. During the same time period, consumer sales decreased from 420,000 to 313,000 headsets.
Calculate the elasticity of demand between these two price–quantity combinations by using the following steps. After each step, complete the relevant part of the table with the appropriate answers. (Note: For decreases in price or quantity, enter values in the Change column with a minus sign.)
Original
New
Average
Change
Percentage Change
Quantity
Price
Step 1: Fill in the appropriate values for original quantity, new quantity, original price, and new price.
Step 2: Calculate the average quantity by adding the original quantity and the new quantity, and then dividing by two. Do the same for the average price.
Step 3: Calculate the change in quantity…
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Subject: eco
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If you could please help me understand how to use the given information to solve this problem, that would be greatly appreciated! Thanks!
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A sporting goods store has estimated the demand for a popular brand of running shoes as
given in the table below.
Price per
unit Shoe sales
(OMR)
60
50
40
30
20
10
per
100
200
300
400
500
600
week
Graphically present the table to get a demand curve. If the store charges a price of 50 OMR,
then increases this price to 60 OMR, estimate price elasticity of demand.
Analyze the total revenue before and after the price change.
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Compute and interpret the own price elasticity of demand for
Is the demand for tilapia price inelastic, unitary elastic, or elastic?
Compute and interpret the cross elasticity of demand for tilapia with respect to the price of
How is milkfish related to tilapia?
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I need the computation for this one, not an explanation. Thank you
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B9
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PRICE (Dollars per unit)
350+
225
175)
50
0
Region
Between Y and Z
Between W and X
Between X and Y
Z
True
False
X
28
36
QUANTITY (Units)
For each of the regions listed in the following table, use the midpoint method to identify if the demand for this good is elastic, (approximately) unit
elastic, or inelastic.
I
56
W
Demand
True or False: The slope of the demand curve is equal to the value of the price elasticity of demand.
Elastic Inelastic Unit Elastic
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