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Microeconomics Principles: Monopolies, Externalities, & Consumer Behavior - Prof. Gregory , Study notes of Microeconomics

An introduction to microeconomics, focusing on the concepts of monopolies, externalities, opportunity cost, purchasing power, scarcity, and cost effectiveness. The document also touches upon the moral and ethical implications of pricing certain goods and services, as well as the impact of inflation and unemployment on different groups. Dr. Greg saltzman's lecture covers various examples and scenarios to help students grasp these concepts.

Typology: Study notes

2009/2010

Uploaded on 12/13/2010

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Economics and Management
Principles of Microeconomics
Professor Dr. Greg Saltzman
Monopoly- only one seller in a particular market
Externality- some of the costs or benefits of a decision to produce or consume
something that spills over to third parties not involved in making the decision.
*Were not involved by the decision one party made, but as a third party,
you were affected*
Political demands for government to redistribute income or help the
disadvantaged
Rent Control- government regulates price of rental housing.
Opportunity Cost- Value of a resource in its best alternative use
Example: Value of a student’s time going to college
*Going to college justifies the opportunity cost of taking four years off from earning
money to pay the tuition and be in class*
Generally College Graduates make more than non-college graduates
Explicit Cost- paying for something monetarily
Implicit Cost- not necessarily just cash payment, but other included costs that do
not meet the eye
Market Demand- Interest in a good or service backed up by purchasing power
The customer not only has to want the good or service, but they have to be
able to buy it
Purchasing Power
oA cat in Michigan is eating the tuna that could be going to a human
being in Haiti
This is an example of how Purchasing Power is affected in a
free market system
Is it moral to put a price on human life?
Human Life is Infinitely precious
oWould you be willing to open up your checkbook and pay for another
person’s life?
Ex: Liver Transplant
Overpass in Albion over the Railroad Tracks
People walking in front of the train and getting hit vs.
other areas to spend money to save lives
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Economics and Management Principles of Microeconomics Professor Dr. Greg Saltzman Monopoly- only one seller in a particular market Externality- some of the costs or benefits of a decision to produce or consume something that spills over to third parties not involved in making the decision.

  • Were not involved by the decision one party made, but as a third party, you were affected * Political demands for government to redistribute income or help the disadvantaged Rent Control- government regulates price of rental housing. Opportunity Cost- Value of a resource in its best alternative use Example : Value of a student’s time going to college Going to college justifies the opportunity cost of taking four years off from earning money to pay the tuition and be in class Generally College Graduates make more than non-college graduates Explicit Cost - paying for something monetarily Implicit Cost - not necessarily just cash payment, but other included costs that do not meet the eye Market Demand - Interest in a good or service backed up by purchasing power  The customer not only has to want the good or service, but they have to be able to buy it  Purchasing Power o A cat in Michigan is eating the tuna that could be going to a human being in Haiti  This is an example of how Purchasing Power is affected in a free market system Is it moral to put a price on human life?  Human Life is Infinitely precious o Would you be willing to open up your checkbook and pay for another person’s life?  Ex: Liver Transplant  Overpass in Albion over the Railroad Tracks  People walking in front of the train and getting hit vs. other areas to spend money to save lives

 Overpass for $100,000 or $100,000 towards a hospital or fighting crimes and drugs Scarcity- resources are limited, while wants are unlimited.  Must make choices, putting resources into activities where they do the most good, for the dollar  Economists way benefits against costs o Ex: Air conditioning a building full of classrooms to improve the educational quality. Economists don’t except the norm that we shouldn’t put a price tag on human life  Crossing the moral line when placing a price on things that shouldn’t be out in human markets i.e.: sex and life Cost Effectiveness- value relative to expenditure  It used to be: “If it helps the patient you do it”  Now it is: “How much does it cost? And will it be cost effective” Who is disproportionately hurt by?  High Inflation Rates o Creditors  High Unemployment Rates o Less Educated o Unskilled Workers Who is helped by?  High Inflation Rates o Debtors  High Unemployment Rates o Employers Inflation has not been a huge concern of the United States since 1989, however unemployment has been.  Dr. Saltzman agrees with keeping unemployment rates low, however, high inflation is also very dangerous.  Unemployment does not just affect the financial markets, but affects civilians psychologically. o Depression o Crime o Abuse Macroeconomics (E&M 102) NEXT SEMESTER  Behavior of the economy as a whole o Inflation

Trend Line- the special name is called a demand curve Demand Curve  A graph that shows the relationship between the price of a good and the quantity that consumers were willing to buy o Has negative slope Negative Slope (Downward Slope) Positive Slope (Upward Slope) Zero Slope Law of Downward Sloping Demand- if you cut the price, consumers want to buy a bigger quantity Demand Schedule  A table of numbers that shows the coordinates of points on the demand curve Demand Function (Will not use in this course)  Quantity = f (p …) Limitations of Economic Laws

  1. At best, they hold true only on average a. Usually true, not always true
  2. Assume that other relevant variables are held constant “Buyer Value” = BV

BVi = maximum price that consumer “I” is willing to pay for one unit of this good. Consumer Surplus (CS) = “buyer profit” (How good of a bargain did you get?) CSi = BVi – Pi Buyer Value – Price CSi = $100 (willing to pay) - $25 (actual price) Consumers want to maximize the Consumer Surplus  If price is greater than the buyer value than the consumer should not buy  If you don’t buy, consumer surplus is 0