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THE ECONOMIC PROBLEM AND SOME BASIC CONCEPTS
“ Be anxious for nothing, but in everything by prayer and supplication with thanksgiving, let your request be made known to God; and the peace of  God which surpasses understanding will guard your hearts and minds through Christ Jesus …”   Phil 4:6-7
OBJECTIVES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
3 BENEFITS OF STUDYING ECONOMICS ,[object Object],[object Object],[object Object],WWW.econ
MICRO ECONOMICS MACRO ECONOMICS 2 Branches/  Fields 2 Types of Analyses Positive “ What is, was, will be” Normative “ What ought  to be?” SCIENCE SOCIAL  SCIENCE ART “ Applied Economics” 3-1 Discipline Taxonomy of Economics
WHY DO WE  HAVE TO MAKE A
ANG SAGOT SA TANONG… WHY DO WE HAVE TO MAKE A CHOICE? To reach a goal /move forward/ bring change in life / Give us purpose in life/give us a good future and a better life & success  Gift of God/ We have the freedom/right to choose/ inevitable/ to make us responsible & independent persons/ choices reflect  our values or morals/ you can not have it all/everything To know what is wrong or right and learn from them/live with  The consequences of decision/Be on the right track/ path Deep philosophical answers! Let us bring them to the world of economics...
GOAL –  Attend classes today You  CAN NOT DO ALL  These activities At the same time! WHY? Our  TIME  is  LIMITED or  SCARCE
ECON_FACT 1 ,[object Object],[object Object]
ECON_FACT 1 ,[object Object],[object Object],[object Object],[object Object],SCARCITY IS THE BASIC ECONOMIC PROBLEM
SPEND MONEY MONEY IS NEVER ENOUGH… ALWAYS SCARCE! SAVE MONEY SCARCITY
Economics is…  RESOURCES OPTION 1 OPTION 2 OPTION 3 GOALS SCARCE Science of scarcity Science of efficiency ,[object Object]
ECONOMIC TOOLS IN MAKING CHOICES OPPORTUNITY COST EXTRA BENEFITS VS EXTRA COST OR THINKING AT THE MARGIN THINKING OF THE UNINTENDED CONSEQUENCES INCENTIVES
Because resources are scarce… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],(Mankiw, 1988)
PEOPLE FACE  TRADEOFF ,[object Object],[object Object],Making decisions requires trading off  one goal against another
OPPORTUNITY COST ,[object Object],[object Object],Cost of the tradeoff is called OPPORTUNITY COST
 
 
 
 
LOOKING THROUGH THE EYES OF SCARCITY… ,[object Object]
LET’S IDENTIFY THE TRADEOFFS &  OPPORTUNITY   COST  OF THE FF. ,[object Object],[object Object],[object Object],[object Object],GROUP WORK
FAMOUS COLLEGE DROPOUTS
KOBE and LEBRON gave up college education to earn millions as a basketball player.
Because of high opportunity cost of college education, Britney Spears & Sharon  Cuneta gave it up for show business!
ECONOMIC WAY OF THINKING means… Always thinking of the OPPORTUNITY COST OF THE DECISION! What am I giving up for this choice?
MARGIN means EXTRA OR ADDITIONAL THINKING  AT THE  MARGIN?
COST  VS. BENEFITS…PLUS (+) AGAINST MINUS (-) ,[object Object],[object Object],[object Object],[object Object]
STUDENT THINKING OF SHIFTING  TO OTHER COURSE EXTRA OR MARGINAL BENEFITS EXTRA OR MARGINAL COSTS EXTRA /MORE INTERESTS IN STUDY EXTRA TIME TO BE IN CSB  EXTRA YEARS/ TIME TO FINISH THE NEW COURSE  EXTRA MONEY FOR TUITION & BAON DELAY IN WORKING AND EARNING MORE PASSION IN FUTURE WORK OR BUSINESS HENCE MORE FUTURE INCOME I WILL SHIFT IF THE EXPECTED MARGINAL BENEFITS ARE GREATER THAN THE EXPECTED MARGINAL COSTS!
A SECOND GLASS…? YES EXTRA OR MARGINAL BENEFITS Quench my thirst a second time Good for cleansing my body of toxins Replenish lost water in body NO EXTRA OR MARGINAL COSTS Bloat my stomach Make me pee Add weight for a while (E)MB< (E)MC  (E)MB > (E)MC
ECONOMIC WAY OF THINKING means… Choosing the action or things that will give more extra or marginal benefits  Do I expect to benefit from this choice?
UNINTENDED CONSEQUENCES ,[object Object],[object Object],[object Object],[object Object]
Positive and Negative Externalities ,[object Object],[object Object],[object Object]
EXTERNALITIES = Market Failures ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
EXTERNALITIES = Market Failures ,[object Object],[object Object],[object Object],HAVING EDUCATION WILL BRING MORE  POSITIVE EXTERNALITIES/EFFECTS!
SCARCITY  & + AND - EXTERNALITIES POSITIVE EXTERNALITY  NEGATIVE EXTERNALITY  ASSIGNMENT SEPT 27 ;1 YELLOW PAD QUIZ 1  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Scarcity and choice 1st term 2011

  • 1. THE ECONOMIC PROBLEM AND SOME BASIC CONCEPTS
  • 2. “ Be anxious for nothing, but in everything by prayer and supplication with thanksgiving, let your request be made known to God; and the peace of God which surpasses understanding will guard your hearts and minds through Christ Jesus …” Phil 4:6-7
  • 3.
  • 4.
  • 5. MICRO ECONOMICS MACRO ECONOMICS 2 Branches/ Fields 2 Types of Analyses Positive “ What is, was, will be” Normative “ What ought to be?” SCIENCE SOCIAL SCIENCE ART “ Applied Economics” 3-1 Discipline Taxonomy of Economics
  • 6. WHY DO WE HAVE TO MAKE A
  • 7. ANG SAGOT SA TANONG… WHY DO WE HAVE TO MAKE A CHOICE? To reach a goal /move forward/ bring change in life / Give us purpose in life/give us a good future and a better life & success Gift of God/ We have the freedom/right to choose/ inevitable/ to make us responsible & independent persons/ choices reflect our values or morals/ you can not have it all/everything To know what is wrong or right and learn from them/live with The consequences of decision/Be on the right track/ path Deep philosophical answers! Let us bring them to the world of economics...
  • 8. GOAL – Attend classes today You CAN NOT DO ALL These activities At the same time! WHY? Our TIME is LIMITED or SCARCE
  • 9.
  • 10.
  • 11. SPEND MONEY MONEY IS NEVER ENOUGH… ALWAYS SCARCE! SAVE MONEY SCARCITY
  • 12.
  • 13. ECONOMIC TOOLS IN MAKING CHOICES OPPORTUNITY COST EXTRA BENEFITS VS EXTRA COST OR THINKING AT THE MARGIN THINKING OF THE UNINTENDED CONSEQUENCES INCENTIVES
  • 14.
  • 15.
  • 16.
  • 17.  
  • 18.  
  • 19.  
  • 20.  
  • 21.
  • 22.
  • 24. KOBE and LEBRON gave up college education to earn millions as a basketball player.
  • 25. Because of high opportunity cost of college education, Britney Spears & Sharon Cuneta gave it up for show business!
  • 26. ECONOMIC WAY OF THINKING means… Always thinking of the OPPORTUNITY COST OF THE DECISION! What am I giving up for this choice?
  • 27. MARGIN means EXTRA OR ADDITIONAL THINKING AT THE MARGIN?
  • 28.
  • 29. STUDENT THINKING OF SHIFTING TO OTHER COURSE EXTRA OR MARGINAL BENEFITS EXTRA OR MARGINAL COSTS EXTRA /MORE INTERESTS IN STUDY EXTRA TIME TO BE IN CSB EXTRA YEARS/ TIME TO FINISH THE NEW COURSE EXTRA MONEY FOR TUITION & BAON DELAY IN WORKING AND EARNING MORE PASSION IN FUTURE WORK OR BUSINESS HENCE MORE FUTURE INCOME I WILL SHIFT IF THE EXPECTED MARGINAL BENEFITS ARE GREATER THAN THE EXPECTED MARGINAL COSTS!
  • 30. A SECOND GLASS…? YES EXTRA OR MARGINAL BENEFITS Quench my thirst a second time Good for cleansing my body of toxins Replenish lost water in body NO EXTRA OR MARGINAL COSTS Bloat my stomach Make me pee Add weight for a while (E)MB< (E)MC (E)MB > (E)MC
  • 31. ECONOMIC WAY OF THINKING means… Choosing the action or things that will give more extra or marginal benefits Do I expect to benefit from this choice?
  • 32.
  • 33.
  • 34.
  • 35.
  • 36.