Economics Assignment: Production Possibility, Demand, Costs Analysis
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Homework Assignment
AI Summary
This economics assignment comprehensively addresses several key concepts. It begins with an analysis of Joan's Production Possibility Curve, exploring opportunity cost, and scenarios both inside and outside the curve. The assignment then delves into demand and supply, examining the effects of technological advancements on equilibrium prices and quantities for solar and conventional motor vehicles, and the impact of price ceilings. Price elasticity of demand is calculated using the midpoint method, with specific examples for ice-creams in winter and cigarettes. The assignment continues with a detailed analysis of different types of costs, including calculations and profit maximization in the short-run. Finally, it explores market structures, providing a well-rounded understanding of microeconomic principles. All concepts are backed by economic theories and real-world examples, making it a valuable resource for students.

Economics
August 12
2019
August 12
2019
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Table of Contents
Question 1: Production Possibility Curve..............................................................................................2
(1) Study of Joan’s Production Possibility Curve........................................................................2
(i) Production Possibility Curve for Joan....................................................................................2
(ii) Production Possibility Curve if opportunity cost was constant..........................................3
(iii) Combinations inside the Production Possibility Curve (PPC)............................................4
(iv) Combinations outside the Production Possibility Curve (PPC)..........................................5
(2) Concept of ‘Scarcity’.............................................................................................................6
Question 2: Demand and Supply...........................................................................................................7
(1) Improvement in technology...................................................................................................7
(i) Effect on the equilibrium price and quantity of solar-powered motor vehicle.......................7
(ii) Effect on the equilibrium price and quantity of conventional motor vehicle......................7
(2) Impact of the price ceiling.....................................................................................................7
Question 3: Price Elasticity of Demand.................................................................................................8
(1) Calculation of price elasticity using the midpoint method.....................................................8
(2) Price elasticity of demand for ice-creams in winter...............................................................9
(3) Price elasticity of demand for cigarettes..............................................................................10
Question 4: Types of Costs..................................................................................................................10
(1) Calculation of costs and profit.............................................................................................10
(2) Firm’s operation in short-run...............................................................................................11
(3) Price-taking firm profit maximization..................................................................................11
Question 1: Production Possibility Curve..............................................................................................2
(1) Study of Joan’s Production Possibility Curve........................................................................2
(i) Production Possibility Curve for Joan....................................................................................2
(ii) Production Possibility Curve if opportunity cost was constant..........................................3
(iii) Combinations inside the Production Possibility Curve (PPC)............................................4
(iv) Combinations outside the Production Possibility Curve (PPC)..........................................5
(2) Concept of ‘Scarcity’.............................................................................................................6
Question 2: Demand and Supply...........................................................................................................7
(1) Improvement in technology...................................................................................................7
(i) Effect on the equilibrium price and quantity of solar-powered motor vehicle.......................7
(ii) Effect on the equilibrium price and quantity of conventional motor vehicle......................7
(2) Impact of the price ceiling.....................................................................................................7
Question 3: Price Elasticity of Demand.................................................................................................8
(1) Calculation of price elasticity using the midpoint method.....................................................8
(2) Price elasticity of demand for ice-creams in winter...............................................................9
(3) Price elasticity of demand for cigarettes..............................................................................10
Question 4: Types of Costs..................................................................................................................10
(1) Calculation of costs and profit.............................................................................................10
(2) Firm’s operation in short-run...............................................................................................11
(3) Price-taking firm profit maximization..................................................................................11

Question 5: Market Structure...............................................................................................................12
References...........................................................................................................................................14
References...........................................................................................................................................14
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Question 1: Production Possibility Curve
(1) Study of Joan’s Production Possibility Curve
(i) Production Possibility Curve for Joan
0 10 20 30 40 50 60 70 80 90
0
10
20
30
40
50
60
70
Work (hrs. per week)
Work (hrs. per week)
(i) Concept of increasing opportunity cost
Production Possibility Grade (%) Work (hrs. per week)
A 0 60
B 20 55
C 40 45
D 60 30
E 80 0
(1) Study of Joan’s Production Possibility Curve
(i) Production Possibility Curve for Joan
0 10 20 30 40 50 60 70 80 90
0
10
20
30
40
50
60
70
Work (hrs. per week)
Work (hrs. per week)
(i) Concept of increasing opportunity cost
Production Possibility Grade (%) Work (hrs. per week)
A 0 60
B 20 55
C 40 45
D 60 30
E 80 0
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Opportunity cost is said to be the cost of doing one activity in terms of the benefits
forgone from other activity. It occurs because resources are limited in nature and few
activities could be carried out with limited resources. In the problem, Joan has limited
time which is considered her limited resources. She has the option of increasing the
number of working hours for earning money or she can invest the time in studying to
improve her grades.
The concept of increasing opportunity cost states that when the production possibility
is increased for one item or activity the opportunity cost of producing an additional item
will also increase (Lugert, Thaller, Tetens, Schulz, & Krieter, 2016). This happens
because for every other production possibility of one item the cost of another item will be
more for the producer. Here, if Joan increases her working hours then the cost of
decreasing grades will also increase for her. This is why; production possibility curve is
used to determine all the possible combination of the activities or items that can be
carried on with the limited resources available with the producer.
(ii) Production Possibility Curve if opportunity cost was constant
It is assumed that every 25 hours of working has an opportunity cost of 20% of Joan's
grade. The maximum working hours in a week are 100 hours and the maximum grades are
80% which can be achieved by investing the full time of Joan in a single activity. It is to be
noted that when the opportunity cost is constant then the production possibility curve would
be a straight line. In this scenario, the production possibility table and production possibility
curve for Joan would be as follow:
Production Possibility Grade (%) Work (hrs. per week)
A 0 100
B 20 75
forgone from other activity. It occurs because resources are limited in nature and few
activities could be carried out with limited resources. In the problem, Joan has limited
time which is considered her limited resources. She has the option of increasing the
number of working hours for earning money or she can invest the time in studying to
improve her grades.
The concept of increasing opportunity cost states that when the production possibility
is increased for one item or activity the opportunity cost of producing an additional item
will also increase (Lugert, Thaller, Tetens, Schulz, & Krieter, 2016). This happens
because for every other production possibility of one item the cost of another item will be
more for the producer. Here, if Joan increases her working hours then the cost of
decreasing grades will also increase for her. This is why; production possibility curve is
used to determine all the possible combination of the activities or items that can be
carried on with the limited resources available with the producer.
(ii) Production Possibility Curve if opportunity cost was constant
It is assumed that every 25 hours of working has an opportunity cost of 20% of Joan's
grade. The maximum working hours in a week are 100 hours and the maximum grades are
80% which can be achieved by investing the full time of Joan in a single activity. It is to be
noted that when the opportunity cost is constant then the production possibility curve would
be a straight line. In this scenario, the production possibility table and production possibility
curve for Joan would be as follow:
Production Possibility Grade (%) Work (hrs. per week)
A 0 100
B 20 75

C 40 50
D 60 25
E 80 0
0 10 20 30 40 50 60 70 80 90
0
20
40
60
80
100
120
Work (hrs. per week)
Work (hrs. per week)
(iii) Combinations inside the Production Possibility Curve (PPC)
The Production Possibility Curve or PPC shows the combination of two items or
goods which can be produced or performed with the full utilization of the available resources.
Therefore, any point of combination below PPC will always show the under-utilization of
resources which means that some of the resources of the producers are saved or left unused.
In the given situation, if the Joan selects any combination inside the PPC for example, 40% of
grades and 40 hours of working then she will be having some free time after performing both
the activities.
D 60 25
E 80 0
0 10 20 30 40 50 60 70 80 90
0
20
40
60
80
100
120
Work (hrs. per week)
Work (hrs. per week)
(iii) Combinations inside the Production Possibility Curve (PPC)
The Production Possibility Curve or PPC shows the combination of two items or
goods which can be produced or performed with the full utilization of the available resources.
Therefore, any point of combination below PPC will always show the under-utilization of
resources which means that some of the resources of the producers are saved or left unused.
In the given situation, if the Joan selects any combination inside the PPC for example, 40% of
grades and 40 hours of working then she will be having some free time after performing both
the activities.
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0 10 20 30 40 50 60 70 80 90
0
10
20
30
40
50
60
70
Work (hrs. per week)
Work (hrs. per week)
(iv) Combinations outside the Production Possibility Curve (PPC)
The combination outside the PPC shows the unachievable combination which cannot be
produced or performed by the producer because of the limited resources. All the points of
combinations on the PPC show the full utilization of the available resources. It has been
asked how Joan can push the combination of her work hours per week and grades to be
plotted outside the PPC. It can be possible in the following two scenarios;
ï€ If the available resources are increased which means the active hours of Joan are
increased. Let as assuming Joan is currently able to work or study for 10 hours in a
day if these resources are increased to 12 hours or any more hours than there would
be enough space to perform both the activities of working and studying. In that case,
the combination formed with two activities would lie outside the PPC.
ï€ If the learning capacity of Joan is increased this is similar to the concept of
improvement in technologies for production. It means suppose currently Joan is
studying for 5 hours every day to earn grades of 40% if her learning skills are
enhanced and she became able to score 60% grades in the study of 5 hours. Then the
0
10
20
30
40
50
60
70
Work (hrs. per week)
Work (hrs. per week)
(iv) Combinations outside the Production Possibility Curve (PPC)
The combination outside the PPC shows the unachievable combination which cannot be
produced or performed by the producer because of the limited resources. All the points of
combinations on the PPC show the full utilization of the available resources. It has been
asked how Joan can push the combination of her work hours per week and grades to be
plotted outside the PPC. It can be possible in the following two scenarios;
ï€ If the available resources are increased which means the active hours of Joan are
increased. Let as assuming Joan is currently able to work or study for 10 hours in a
day if these resources are increased to 12 hours or any more hours than there would
be enough space to perform both the activities of working and studying. In that case,
the combination formed with two activities would lie outside the PPC.
ï€ If the learning capacity of Joan is increased this is similar to the concept of
improvement in technologies for production. It means suppose currently Joan is
studying for 5 hours every day to earn grades of 40% if her learning skills are
enhanced and she became able to score 60% grades in the study of 5 hours. Then the
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saved time in studying could be utilized for working and this situation the
combination point will lie outside the PPC.
0 10 20 30 40 50 60 70 80 90
0
10
20
30
40
50
60
70
Work (hrs. per week)
Work (hrs. per week)
(2) Concept of ‘Scarcity’
In the problem, it is stated that after being unemployed for a full year Joan has started
working in an international hotel firm with a high-pay. The problem asked the opinion on the
present scarcity situation of Joan. It is to be noted that scarcity is always there in the world of
economics because of the unlimited demands of the individuals. The Joan has started a high-
pay job which will provide her more resources in terms of money to buy different goods and
services which could not have been afforded by him before (Scoones, Smalley, Hall, &
Tsikata, 2019). But the scarcity of resources that have been discussed with the Joan was time,
Joan has a limited amount of time to be utilized in the activities of studying and working
which remains the same. Apart from this, when the money resources are increased consumer
demands are also increased and the quality of goods demands increases simultaneously which
brings the consumer again in the situation of scarcity of resources. Hence, it must be
combination point will lie outside the PPC.
0 10 20 30 40 50 60 70 80 90
0
10
20
30
40
50
60
70
Work (hrs. per week)
Work (hrs. per week)
(2) Concept of ‘Scarcity’
In the problem, it is stated that after being unemployed for a full year Joan has started
working in an international hotel firm with a high-pay. The problem asked the opinion on the
present scarcity situation of Joan. It is to be noted that scarcity is always there in the world of
economics because of the unlimited demands of the individuals. The Joan has started a high-
pay job which will provide her more resources in terms of money to buy different goods and
services which could not have been afforded by him before (Scoones, Smalley, Hall, &
Tsikata, 2019). But the scarcity of resources that have been discussed with the Joan was time,
Joan has a limited amount of time to be utilized in the activities of studying and working
which remains the same. Apart from this, when the money resources are increased consumer
demands are also increased and the quality of goods demands increases simultaneously which
brings the consumer again in the situation of scarcity of resources. Hence, it must be

understood that Joan can increase her standard of living or can buy more goods than before
but the problem of scarcity will always be there in the economic world.
Question 2: Demand and Supply
(1) Improvement in technology
(i) Effect on the equilibrium price and quantity of solar-powered motor vehicle
The improvement in the manufacturing technology of the solar power motor vehicle
will reduce the cost of production of these vehicles. The reduction in the production cost will
reduce the selling price of the item which will impact the demand for the product (Igos,
Rugani, Rege, Benetto, Drouet, & Zachary, 2015). The law of demand states that when the
price of the good is decreased its demanded quantity will increase. Hence, the equilibrium
price of the vehicle will decrease and the equilibrium quantity will increase.
(ii) Effect on the equilibrium price and quantity of conventional motor vehicle
It is a problem related to the impact on the substitute goods. The conventional motor
vehicle can be used in place of solar motor vehicles. When the price of substitute goods
decreases the demand for the original goods also decreases because the consumers shift to
substitute goods. Here, the demand for the conventional motor vehicle will decrease and the
equilibrium price will adjust accordingly.
(2) Impact of the price ceiling
To promote the industry of solar motor vehicle the government sets the price of the
vehicle lower than its equilibrium market price. In such a case, when the government ceils the
price of any product below the equilibrium price it brings disturbance in the equilibrium. The
quantity demanded that product increases and the supply remains constant; therefore, the
quantity demanded will exceed the supplied quantity for that product (Perkis, Cason, &
but the problem of scarcity will always be there in the economic world.
Question 2: Demand and Supply
(1) Improvement in technology
(i) Effect on the equilibrium price and quantity of solar-powered motor vehicle
The improvement in the manufacturing technology of the solar power motor vehicle
will reduce the cost of production of these vehicles. The reduction in the production cost will
reduce the selling price of the item which will impact the demand for the product (Igos,
Rugani, Rege, Benetto, Drouet, & Zachary, 2015). The law of demand states that when the
price of the good is decreased its demanded quantity will increase. Hence, the equilibrium
price of the vehicle will decrease and the equilibrium quantity will increase.
(ii) Effect on the equilibrium price and quantity of conventional motor vehicle
It is a problem related to the impact on the substitute goods. The conventional motor
vehicle can be used in place of solar motor vehicles. When the price of substitute goods
decreases the demand for the original goods also decreases because the consumers shift to
substitute goods. Here, the demand for the conventional motor vehicle will decrease and the
equilibrium price will adjust accordingly.
(2) Impact of the price ceiling
To promote the industry of solar motor vehicle the government sets the price of the
vehicle lower than its equilibrium market price. In such a case, when the government ceils the
price of any product below the equilibrium price it brings disturbance in the equilibrium. The
quantity demanded that product increases and the supply remains constant; therefore, the
quantity demanded will exceed the supplied quantity for that product (Perkis, Cason, &
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Tyner, 2016). However, the government agenda is partially completed with this method as it
increased the number of consumers in the solar vehicle industry.
150 200 250 300 350
0
10
20
30
40
50
60
Demand
Supply
EQ
EP
In the graph, the red line shows supply and the blue line shows the demand. The price
ceiling by the government is denoted by the green line in parallel to the X-axis. The blue dot
shows the new intersection point of demand and price.
Question 3: Price Elasticity of Demand
(1) Calculation of price elasticity using the midpoint method
Price elasticity of demand shows the percentage change in the quantity demanded of a
product due to a change in its price (Miller, & Alberini, 2016).
To calculate the price elasticity of demand with the midpoint method first we have to
calculate the percentage change in the quantity and price of the product, here ice-cream.
% change in Price = (P2-P1)/ {(P2+P1)/ 2}
% change in Quantity = (Q2-Q1)/ {(Q2+Q1)/ 2}
increased the number of consumers in the solar vehicle industry.
150 200 250 300 350
0
10
20
30
40
50
60
Demand
Supply
EQ
EP
In the graph, the red line shows supply and the blue line shows the demand. The price
ceiling by the government is denoted by the green line in parallel to the X-axis. The blue dot
shows the new intersection point of demand and price.
Question 3: Price Elasticity of Demand
(1) Calculation of price elasticity using the midpoint method
Price elasticity of demand shows the percentage change in the quantity demanded of a
product due to a change in its price (Miller, & Alberini, 2016).
To calculate the price elasticity of demand with the midpoint method first we have to
calculate the percentage change in the quantity and price of the product, here ice-cream.
% change in Price = (P2-P1)/ {(P2+P1)/ 2}
% change in Quantity = (Q2-Q1)/ {(Q2+Q1)/ 2}
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The elasticity of demand will then be calculated as;
= % change in quantity/ % change in price
For the given problem, the values are calculated in the following table:
Pric
e ($)
Quantity
Demande
d
Total
Revenue
($)
%
change in
price
% change in
quantity
demanded
Elastici
ty value
Assessment
of Elasticity
1 40 40
1.5 34 51 40% -16% 0.41
Relatively
inelastic
demand
2 28 56 29% -19% 0.68
Relatively
inelastic
demand
2.5 22 55 22% -24% 1.08
Relatively
elastic
demand
3 16 48 18% -32% 1.74
Relatively
elastic
demand
When the elasticity is greater than 1 it is called relatively elastic demand whereas
when the elasticity is lesser than 1 it is known as relatively inelastic demand.
= % change in quantity/ % change in price
For the given problem, the values are calculated in the following table:
Pric
e ($)
Quantity
Demande
d
Total
Revenue
($)
%
change in
price
% change in
quantity
demanded
Elastici
ty value
Assessment
of Elasticity
1 40 40
1.5 34 51 40% -16% 0.41
Relatively
inelastic
demand
2 28 56 29% -19% 0.68
Relatively
inelastic
demand
2.5 22 55 22% -24% 1.08
Relatively
elastic
demand
3 16 48 18% -32% 1.74
Relatively
elastic
demand
When the elasticity is greater than 1 it is called relatively elastic demand whereas
when the elasticity is lesser than 1 it is known as relatively inelastic demand.

(2) Price elasticity of demand for ice-creams in winter
The price elasticity of demand for the ice-creams will be relatively inelastic in winter
because in the winter the weather is already very cool and in such weather the demand for
ice-cream is low. However, the ice-creams are sold in winter in low quantity and such
demand will not be much affected by the changes in prices as seen in the summers.
Therefore, the demand will be relatively inelastic in winters.
(3) Price elasticity of demand for cigarettes
Cigarettes are the items that are put in the categories of addictive items and the
elasticity of such items are assumed to be inelastic or relatively inelastic (Jawad, Lee, Glantz,
& Millett, 2018). The tobacco products are assumed to have an elasticity of demand lesser
than one or inelastic which its demand will have a little or no impact on the price change of
the items.
Question 4: Types of Costs
(1) Calculation of costs and profit
Given, Fixed cost = $2000
Selling Price = $150
Worker
s
Outpu
t TVC TC ATC MC TR AR MR Profit
0 0 0 2000 - 0 -2000
1 25 500 2500 100 20 3750 150 150 1250
2 50 -100 1900 38 -24 7500 150 150 5600
3 85 1600 3600 42 49 12750 150 150 9150
4 130 3000 5000 38 31 19500 150 150 14500
The price elasticity of demand for the ice-creams will be relatively inelastic in winter
because in the winter the weather is already very cool and in such weather the demand for
ice-cream is low. However, the ice-creams are sold in winter in low quantity and such
demand will not be much affected by the changes in prices as seen in the summers.
Therefore, the demand will be relatively inelastic in winters.
(3) Price elasticity of demand for cigarettes
Cigarettes are the items that are put in the categories of addictive items and the
elasticity of such items are assumed to be inelastic or relatively inelastic (Jawad, Lee, Glantz,
& Millett, 2018). The tobacco products are assumed to have an elasticity of demand lesser
than one or inelastic which its demand will have a little or no impact on the price change of
the items.
Question 4: Types of Costs
(1) Calculation of costs and profit
Given, Fixed cost = $2000
Selling Price = $150
Worker
s
Outpu
t TVC TC ATC MC TR AR MR Profit
0 0 0 2000 - 0 -2000
1 25 500 2500 100 20 3750 150 150 1250
2 50 -100 1900 38 -24 7500 150 150 5600
3 85 1600 3600 42 49 12750 150 150 9150
4 130 3000 5000 38 31 19500 150 150 14500
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