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ECONOMICS
 a social science concerned with man’s
problem of using scarce resources to satisfy
human wants
 a scientific study on how individuals and the
society generally make choices
 a study that attempts to explain how an
economy operates
3 Es IN ECONOMICS
- EFFICIENCY
- EQUITY
- EFFECTIVENESS
Need. A human need is a state of felt deprivation.
Examples include the need for food, clothing,
warmth and safety.
Wants. Wants are how people communicate their
needs (expressed need). A hungry person may
want a hamburger, noodles, or cheese and
bread.
Demands. Wants backed by buying/purchasing
power.
SCARCITY.
(the limitations that exist in
obtaining all the goods and
services that people want)
LIMITED RESOURCES VS UNLIMITED WANTS
Opportunity Cost - The value
given up for choosing an
alternative
FOUR BASIC ECONOMIC QUESTIONS
 What to produce?
 How to produce?
 How much to produce?
 For whom to produce?
TOOLS OF ECONOMICS
Logic. It pertains to valid reasoning and
drawing of conclusion
Mathematics. It means conceptualizing and
quantifying economic principles
Statistics. It means describing behaviors
quantitatively and testing hypothesis in
making inferences
SUB-CLASSIFICATION OF ECONOMIC ANALYSIS
 Positive Economics. It deals with the causal
relationships that exist in economics. There
is no value judgment and deals with “what is”
 Normative Economics. It deals with the way
economic relationships ought to be. Value
judgments play an integral part in the ranking
of possible objectives and the choice to be
made among them. It deals with “what ought
to be”
SCIENTIFIC APPROACH
 Observation
 Definitions and Assumptions
 Deductions
 Empirical Testing
Goods – anything that yields satisfaction to someone
Economic Good - a good which is both useful and
scarce
Utility – (usefulness) is the ability of something to satisfy
needs or wants
Economic Resources - inputs used in the production of
goods and services (factors of production)
Land – natural resources
Labor – any form of human effort
Capital – man-made goods
Entrepreneur – the economic good that commands
price
 Wealth – anything of value owned
 Rent – payment for the use of land
 Wages – payment for the use of labor
 Interest – payment for the use of capital
 Profit – income of entrepreneur
CLASSIFICATION OF GOODS
 According to form
 Tangible goods
 Intangible goods
 According to use
 Consumer goods
 Capital goods
 According to need
 Essential goods
 Luxury goods
 According to means of
production
 Manufacturing
 Agriculture production
TYPES OF ECONOMIC SYSTEMS
TRADITIONAL ECONOMY
 Family or Community
based Economic
System that relies on
custom and ritual to
make its choices.
 Examples:
 Aborigines
 Amazon Tribes
TYPES OF ECONOMIC SYSTEMS
MARKET ECONOMY
 Individual or Consumer
based Economic
System that relies on
the consumption
choices of consumers.
 Examples:
 *The U.S.A.
 *Japan
 Any Capitalist
Economy
TYPES OF ECONOMIC SYSTEMS
COMMAND ECONOMY
 Centrally Controlled
Economy where the
Government makes all
decisions.
 Examples:
 Cuba
 China
 Any Communist
Country or Dictatorship
TYPES OF ECONOMIC SYSTEMS
MIXED ECONOMY
 Economic System that
incorporates some
Governmental
involvement into a Market
Based Economy.
 Examples:
 *The U.S.A.
 *Japan
 Most “Modern”
Economies
MODELS OF ECONOMIC SYSTEM
 Capitalism. It refers to a free enterprise or
laissez faire economy (no government
intervention)
 Communism. When the government controls
the economy
 Socialism. It is a mixture of capitalism and
communism. It contains the characteristics of
both capitalism and communism
STOCK AND FLOW VARIABLES
 Production – the use of economic resources
in the creation of goods and services
 Employment – the use of economic
resources in production
 Consumption – the use of economic
resources
 Flow – a quantity measured over a particular
period of time
 Stock – a quantity measured as of a given
point in time
 Monetary policy – that which affects savings,
investment, and money supply
 Fiscal supply – that which controls taxes and
government expenditures
 Trade policy – that which affects a country’s
exports and imports
 Inflows – income that go inside the economy
like investment, government expenditures,
exports which expand the flow of goods and
services
 Outflows – incomes that go out of the economy
like savings, taxes, and imports, which constrict
the flow of goods and services
 Multiplier – the number of times income is
generated by an original inflow
THE CIRCULAR FLOW
ECONOMIC MODEL
CIRCULAR ECONOMIC MODEL

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Lecture 1 eco principles

  • 1. ECONOMICS  a social science concerned with man’s problem of using scarce resources to satisfy human wants  a scientific study on how individuals and the society generally make choices  a study that attempts to explain how an economy operates
  • 2. 3 Es IN ECONOMICS - EFFICIENCY - EQUITY - EFFECTIVENESS Need. A human need is a state of felt deprivation. Examples include the need for food, clothing, warmth and safety. Wants. Wants are how people communicate their needs (expressed need). A hungry person may want a hamburger, noodles, or cheese and bread. Demands. Wants backed by buying/purchasing power.
  • 3. SCARCITY. (the limitations that exist in obtaining all the goods and services that people want) LIMITED RESOURCES VS UNLIMITED WANTS Opportunity Cost - The value given up for choosing an alternative
  • 4. FOUR BASIC ECONOMIC QUESTIONS  What to produce?  How to produce?  How much to produce?  For whom to produce?
  • 5. TOOLS OF ECONOMICS Logic. It pertains to valid reasoning and drawing of conclusion Mathematics. It means conceptualizing and quantifying economic principles Statistics. It means describing behaviors quantitatively and testing hypothesis in making inferences
  • 6. SUB-CLASSIFICATION OF ECONOMIC ANALYSIS  Positive Economics. It deals with the causal relationships that exist in economics. There is no value judgment and deals with “what is”  Normative Economics. It deals with the way economic relationships ought to be. Value judgments play an integral part in the ranking of possible objectives and the choice to be made among them. It deals with “what ought to be”
  • 7. SCIENTIFIC APPROACH  Observation  Definitions and Assumptions  Deductions  Empirical Testing
  • 8. Goods – anything that yields satisfaction to someone Economic Good - a good which is both useful and scarce Utility – (usefulness) is the ability of something to satisfy needs or wants Economic Resources - inputs used in the production of goods and services (factors of production) Land – natural resources Labor – any form of human effort Capital – man-made goods Entrepreneur – the economic good that commands price  Wealth – anything of value owned  Rent – payment for the use of land  Wages – payment for the use of labor  Interest – payment for the use of capital  Profit – income of entrepreneur
  • 9. CLASSIFICATION OF GOODS  According to form  Tangible goods  Intangible goods  According to use  Consumer goods  Capital goods  According to need  Essential goods  Luxury goods  According to means of production  Manufacturing  Agriculture production
  • 10. TYPES OF ECONOMIC SYSTEMS TRADITIONAL ECONOMY  Family or Community based Economic System that relies on custom and ritual to make its choices.  Examples:  Aborigines  Amazon Tribes
  • 11. TYPES OF ECONOMIC SYSTEMS MARKET ECONOMY  Individual or Consumer based Economic System that relies on the consumption choices of consumers.  Examples:  *The U.S.A.  *Japan  Any Capitalist Economy
  • 12. TYPES OF ECONOMIC SYSTEMS COMMAND ECONOMY  Centrally Controlled Economy where the Government makes all decisions.  Examples:  Cuba  China  Any Communist Country or Dictatorship
  • 13. TYPES OF ECONOMIC SYSTEMS MIXED ECONOMY  Economic System that incorporates some Governmental involvement into a Market Based Economy.  Examples:  *The U.S.A.  *Japan  Most “Modern” Economies
  • 14. MODELS OF ECONOMIC SYSTEM  Capitalism. It refers to a free enterprise or laissez faire economy (no government intervention)  Communism. When the government controls the economy  Socialism. It is a mixture of capitalism and communism. It contains the characteristics of both capitalism and communism
  • 15. STOCK AND FLOW VARIABLES  Production – the use of economic resources in the creation of goods and services  Employment – the use of economic resources in production  Consumption – the use of economic resources  Flow – a quantity measured over a particular period of time  Stock – a quantity measured as of a given point in time
  • 16.  Monetary policy – that which affects savings, investment, and money supply  Fiscal supply – that which controls taxes and government expenditures  Trade policy – that which affects a country’s exports and imports  Inflows – income that go inside the economy like investment, government expenditures, exports which expand the flow of goods and services  Outflows – incomes that go out of the economy like savings, taxes, and imports, which constrict the flow of goods and services  Multiplier – the number of times income is generated by an original inflow