Economics 4/11/11 OBJECTIVE: Demonstration of Chapter#4 and begin examination of supply. I....
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Transcript of Economics 4/11/11 OBJECTIVE: Demonstration of Chapter#4 and begin examination of supply. I....
![Page 1: Economics 4/11/11 OBJECTIVE: Demonstration of Chapter#4 and begin examination of supply. I. Administrative Stuff -attendance & distribution.](https://reader036.fdocuments.us/reader036/viewer/2022062518/56649f3f5503460f94c5faaa/html5/thumbnails/1.jpg)
Economics 4/11/11 http://mrmilewski.com
• OBJECTIVE: Demonstration of Chapter#4 and begin examination of supply.
• I. Administrative Stuff-attendance & distribution of test
• II. Chapter#4 Test• III. Journal #15 pt.A
-Examine Figure 5.1 & Figure 5.2 p.114&1151.) How does the Law of Supply differ from the Law of Demand?2.) Why are the supply curves upward sloping?
• IV. Journal #15 pt.B-notes on supply
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Law of Supply
• The principle that suppliers will normally offer more for sale at higher prices and less at lower prices.
• As price goes up, quantity produced also goes up
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Supply Curve:• At high prices more
will be supplied. At lower prices, less will be supplied.
• Price and quantity supplied are directly related.
• The drawing to the right is a typical supply curve.
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Supply Schedule• Supply schedule is just
like the demand schedule, but the supply schedule shows both quantity supplied and price rise together.
Quantity Supplied
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Construct a Supply curve using the following data
Quantity Supplied
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On your supply curve
• Label the point where price is $15 and quantity supplied 4 units as point a.
• Next label the point where price is $20 and quantity supplied is 6 units as point b.
• Movement from point a to point b, or to any other point along the supply curve is movement in quantity supplied.
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Movement along the Supply Curve/ Change in quantity supplied.
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Change in supply• A change in supply
occurs when something happens to cause suppliers to offer different amounts of products for each price in the market.
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Change in supply• A change in supply
occurs when something happens to cause suppliers to offer different amounts of products for each price in the market.
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What can cause a change in supply to the right?
• Lower cost of inputs such as cheaper labor or cheaper packaging
• More productive/better trained labor.• New technology like more fuel efficient delivery
vehicles, better/faster machines• Lower taxes/government subsidies (subsidy is a
government payment to an individual or business to encourage or protect a certain economic activity.)
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What can cause a change in supply to the left?
• More expensive labor• Higher taxes• Less efficient workers• Broken technology• Withdrawal of
subsidies
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Economics 4/12/11 http://mrmilewski.com
• OBJECTIVE: Examine supply elasticity.• I. Journal #16 pt.A
-Read “Profiles in Economics” p.121-Answer question #1 p.121
• II. Return of Chapter#4 Test• III. Quiz #9• IV. Journal #16 pt.B
-notes on the elasticity of supply
• V. Econ U.S.A. episode#16-questions on film
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Supply Elasticity
Type of Elasticity Change in Quantity Supplied Due to a Change in Price
Elastic More than proportional
Unit Elastic Proportional
Inelastic Less than proportional
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Supply Elasticity• Supply elasticity is caused by the ability of
a producer to change output.
• If producers can increase output quickly, supply is elastic.
• If producers can not increase output quickly, supply is inelastic.
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Theory of Production• The relationship between the factors of
production (land, labor, capital, entrepreneurs) and output of goods and services.
• Short run – change in the variable of labor
• Long run – change in land & capital
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Economics 4/13/11 http://mrmilewski.com
• OBJECTIVE: Examine supply elasticity.
• I. Journal #17 pt.A-Read “The Global Economy” p.130
-Answer questions (1-2) p.130
• II. Journal#17 pt.B-notes on the theory of production
• III. Journal#17 pt.C-questions on film about innovation
• IV. Math Practice with Economics
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Theory of Production• The relationship between the factors of
production (land, labor, capital, entrepreneurs) and output of goods and services.
• Short run – change in the variable of labor
• Long run – change in land & capital
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Law of Variable Proportions• Stage I – Increasing returns
*output rises at an increasingly faster rate (each new worker makes more than the previous worker did)
• Stage II – Diminishing returns
*output rises at a diminishing rate (each new worker increases output, but not as much as the previous worker did)
• Stage III – Negative returns
*output decreases as each new worker is added
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Marginal Costs & Profits
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Measure of Costs• Fixed cost – the cost that a business incurs even if
the plant is idle and production is zero
-salaries to executives
-interest on bonds
-rent payments
-taxes
-depreciation• Overhead – total fixed cost
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• Variable costs – costs that change when output changes
-hourly workers
-power
-freight charges
-raw materials• Total costs – the sum of fixed and variable costs• Turn to page 133
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From Poop to Profits• 1.) What is innovation? What does it have
to do with entrepreneurship?
• 2.) Why did Brad Morgan keep refining his products and processes?
• 3.) Why do entrepreneurs need freedom?
• 4.) What do the farmer and the bookstore owner have in common?
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Economics 4/14/11http://mrmilewski.com
• OBJECTIVE: Working with supply.
• I. Administrative Stuff-attendance & follow ups
• II. Quiz#10
• III. Economics Lab-Supply & Demand
• IV. Mindjogger-video quiz on Chapter#5 Supply
• NOTICE: Chapter#5 Test Tomorrow!
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Bell Schedule
• 1st Hour - 7:41 – 8:45
• 2nd Hour - 8:50 – 9:55
• 3rd Hour - 10:00 – 11:25
• 1st Lunch - 10:00 – 10:25
• 2nd Lunch - 10:30 – 10:55
• 3rd Lunch - 11:00 – 11:25
• Drill @ 11:30
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Marginal Costs & Profits
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Where will profits be maximized?
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Directions
• 1.) Identify the factors of production in the film.
• 2.) Identify the public goods in the film.
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Economics 4/15/11 mrmilewski.com
• OBJECTIVE: Demonstration of Chapter#5 and begin examination of price.
• I. Administrative Stuff-attendance & distribution of test
• II. Chapter#5 Test• III. Journal #18 pt.A
-Read “Business Week Newsclip” p.126
-Answer questions (1-2) p.126
• IV. Journal #18 pt.B-notes on prices
• V. Journal#18 pt.C Film: I Pencil
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The Week After Spring Break• Monday 4/25/11 – No School
• Tuesday 4/26/11 – Journal#19
• Wednesday 4/27/11 – Journals#11-20 Due
• Thursday 4/28/11 – ½ Day Conferences
• Friday 4/29/11 – Prom Day
• Saturday 4/30/11 – Hebda Cup
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Schedule• 1st Hour: 7:41 - 8:35 am• 2nd. Hour: 8:40 - 9:30 am• 4th. Hour: 9:35 - 10:25 am• 3rd. Hour: 10:30 - 11:55 am
1st. Lunch: 10:30 - 10:55 am 2nd. Lunch: 11:00 - 11:25 am 3rd. Lunch: 11:30 - 11:55 am
• 5th Hour: 12:00 - 12:50 pm• Assembly: 1:00 - 2:15pm
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How is price determined?• Price is determined
by the intersection of supply & demand.
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Prices as Signals• Price – the monetary value of a product as
established by supply & demand.• Price is a signal that helps us make
economic decisions.• High prices are a signal for producers to
produce more and consumers to buy less.• Low prices are a signal for producers to
produce less and consumers to buy more.
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Advantages of Prices• 1.) Prices in a competitive market favor
neither the producer nor the consumer.• 2.) Prices in a market economy are
flexible.• 3.) Prices have no administrative costs and
answer the questions WHAT, HOW, and for WHOM to produce.
• 4.) You have known it your entire life.
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Life without prices?• Prices help allocate scarce resources, but
what if there was no such thing as price?• Rationing – the government determines
everyone’s “fair” share.• Problem with determining what is fair.• High administrative stuff (cost,
enforcement, etc)• No incentive to work hard.
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I Pencil
http://school.discoveryeducation.com/clipart/images/box-o-pencils4c.gif
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Questions on “I Pencil”• 1.) What does Milton Friedman mean by saying
there is nobody in the world who knows how to make a pencil?
• 2.) What kind of transaction makes a free market possible?
• 3.) What must be true for all parties in a voluntary transaction?
• 4.) What is the price system?• 5.) What is the zero-sum game philosophy?• 6.) What is meant by the invisible hand?