Principle Econ chapter 1
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Transcript of Principle Econ chapter 1
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MR. MOHD SHAHIDAN BIN SHAARI
Lecturer of Economics
School of business innovation and techno-preneurship
UniMAP
Bachelor’s in Economics
Master’s in Economics
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INTRODUCTION TO
MICROECONOMICS
CHAPTER 1
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DEFINITION OF ECONOMICS
Economics is a science which studies human
behaviours as a relationship between ends
and scarce which have alternative uses.
OR
Economics is a study of how people use their
limited resources to try to fulfil unlimited
wants and involves alternatives or choices.
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MICROECONOMICS VS.
MACROECONOMICS
MICROECONOMICS
The study of
individual parts of the
economy such as
public choices,
business choices and
personal choices.
MACROECONOMICS
The study of the
economic system as a
whole such as
national income, trade
cycle, unemployment
rate, inflation and
general price level.
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POSITIVE VS. NORMATIVE ANALYSIS
A positive analysis is to deal with the question
of “what is” and no indication of approval or
disapproval. It focuses on facts and cause-and-
effect relationships.
A normative analysis is to deal with the
question of “what ought to be”. It incorporates
value judgements about what the economy
should be or what policy should be used to
achieve economic goals.
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BASIC ECONOMIC CONCEPTS
SCARCITY
OPPORTUNITY COST
CHOICE
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BASIC ECONOMIC CONCEPTS
1. SCARCITY
One of the important concepts in economics is scarcity.
Scarcity is defined as wants always exceed limited resources to satisfy them.
Scarcity is a universal problem faced by poor as well as rich nations in order to fulfil their needs.
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BASIC ECONOMIC CONCEPTS (cont.)
2. CHOICE
When scarcity exists, choices are to be made.
3. OPPORTUNITY COST Opportunity cost is defined as the second
best alternative that has to be forgone for another choice which gives more satisfaction.
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BASIC ECONOMIC PROBLEMS (cont.)
1. WHAT TO PRODUCE? Refers to the type of goods and services to be produced
2. HOW TO PRODUCE? Refers to the cheapest method of production
3. FOR WHOM TO PRODUCE? Refers to the distribution of income
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PRODUCTION POSSIBILITIES CURVE
(PPC)
Used to explain the basic economic concepts: Scarcity, Choices and Opportunity cost.
DEFINITION:
The PPC shows the various possible combinations of goods and services
produced within a specified time period with all its resources fully and
efficiently employed.
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PRODUCTION POSSIBILITIES CURVE
(PPC) (cont.)
Assumptions:
1. The economy is operating in full employment and full production capacity (full efficiency).
2. The amount of resources available are fixed.
3. The state of technology does not change throughout the production.
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Sewing Machine
Butter
12
4
D
C
6
5
If it allocates all its resources to sewing machine, it will produce at Point A.
If it allocates all its resources to butter, it will produce at Point F.
A
F
PRODUCTION POSSIBILITIES CURVE
(PPC) (cont.)
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The country Jaya, produces two products – butter and sewing machine.
If the country Jaya is at Point C on the PPC, it can produce the combination of 2,000 kg butter and 12,000 units of sewing machine.
Point D shows the production of 3,000 kg butter and 9,000 units of sewing machine.
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Sewing Machine
Butter
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D
C
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Any point along the PPC CHOICES
A
F
Movement from one point to another (point C to D) OPPORTUNITY COST
PRODUCTION POSSIBILITIES CURVE
(PPC) (cont.)
2
4
8
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Point outside the PPC (Point Z) SCARCITY
B
E
Z
Y
Point inside the PPC (Point Y) Waste of resources and inefficiency
ATTAINABLE
UNATTAINABLE
Movement from one point to another (point C to D) OPPORTUNITY COST
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Sewing Machine
Butter
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When the country enjoys economic growth, the PPC bounds outward.
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When the country is struck by natural disasters, economic growth will decline and the PPC will shift to the left.
Factors that Influence the Shift of PPC
1. Economic Growth
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Factors that Influence the Shift of PPC
2. Improvements in Technology
Sewing Machine
Butter
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Technology increases the production of sewing machine.
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Technology increases the production of butter.
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Sewing Machine
Butter
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Increase in population
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Decrease in population
Factors that Influence the Shift of PPC
3. Population
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Sewing Machine
Butter
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Increasing Opportunity Cost
Shape of PPC
PPC IS CONCAVE
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Sewing Machine
Butter
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2
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Shape of PPC (cont.)
PPC IS CONVEX
Decreasing Opportunity Cost
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Sewing Machine
Butter
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2
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0 1 2 3
Shape of PPC (cont.)
PPC IS LINEAR
Constant Opportunity Cost
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CAPITALISM SOCIALISM MIXED
ECONOMY
TYPES OF ECONOMIC SYSTEM
ECONOMIC SYSTEM
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CAPITALISM
An economic system where individuals and sellers make
economic decisions using a price system
CHARACTERISTICS
MERITS AND DEMERITS
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CHARACTERISTICS
1. Private ownership of resources
2. Freedom of enterprise and choice
3. Consumers’ sovereignty
4. Competition
5. Government intervention
6. Price system
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MERITS DEMERITS
Production according to consumers’ needs
Economic freedom
Efficient utilization of resources
Variety of consumer goods
Enhanced trade, business and R&D
Automatic incentives
Flexibility
Inequality of distribution of wealth and income
Inflation and high unemployment rate
Lack of social welfare
Wasteful competition
Misallocation of resources
Social cost
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SOCIALISM
An economic system where all the economic decisions are
made by the government or a central authority
CHARACTERISTICS
MERITS AND DEMERITS
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CHARACTERISTICS
1. Public ownership of resources
2. Central planning authority
3. Price mechanism of lesser importance
4. Central control and ownership
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MERITS DEMERITS
Production according to basic need
Equal distribution of income and wealth
Better allocation of resources
No serious unemployment or inflation
Rapid economic development
Social welfare
Lack of incentives and initiative by individuals
Loss of economic freedom and consumer sovereignty
Absence of competition
Waste of economic resources
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MIXED ECONOMY
An economic system which combines both capitalism and
socialism
CHARACTERISTICS
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CHARACTERISTICS
1. Public and private ownership of resources
2. Price mechanism and economic plans in making decisions
3. Government helps to control income disparity
4. Government intervention in the economy
5. Co-operation between the government, public and business sectors
6. Government control of monopolies