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Supply and Demand PowerPoints

Teaching Supply and Demand Economics with PowerPoint Presentations.

These slides are examples of one of the 17 PowerPoint presentations on the PowerPoint CD.  The animation effects are missing since the slides shown here have been converted to images instead of PowerPoint slides which have animation and sound.

Demand side of supply and demand individual to market demand market demand graph invidual demand to market demand graph
Slide 1
Slide 2
Individual to Market
Slide 3
Slide 4
Market Graphs
demand for one good or service Big Demand Small Supply means Price is high High price when demand is high and supply is low Demand drives the price high when supply is small
Slide 5 Slide 6 Slide 7 Slide 8
potential buyers and sellers define market demand Demand is the willingness to buy Goods that have greater demand today
Slide 9 Slide 10 Slide 11 Slide 12
Demand Schedule - Consumers willingness to buy - Price decreases; QD increases Law of Supply and Demand Law of Demand Reduce the price and get more buyers
Slide 13 Slide 14 Slide 15 Slide 16
Supply and Demand mistake Supply and Demand mistake in economics Diminishing marginal utility of supply and demand Reasons for the downward sloping demand curve
Slide 17 Slide 18 Slide 19 Slide 20
Slide 21 Slide 22 Slide 23 Slide 24
Slide 25 Slide 26 Slide 27 Slide 28

There are 109 PowerPoint Slides just in this one Presentation of 17 Presentations on the CD.  Over a thousand PowerPoint animated Slides all on one CD.

Demand – Chapter 3
1. Pick-up line for a female economics student: “Oh I understand, It is a matter of supply and demand, and you da man.”
2. Individual demand is one person’s demand for a good or service. Market demand is everyone’s demand for that good or service.
3. Taking individual demand and extrapolating it into market demand.
4. This is more of individual and market demand.
5. This slide goes from one person to 51 to illustrate who “everyone” is.
6. This slide shows why athletes command so much money. They are in small supply but there is big demand for their services.
7. Van Gogh’s painting of “Sunflowers” brought $39.9 million in an auction in 1987.
8. Van Gogh’s “Self-portrait” brought $71.5 million because of high demand for a Van Gogh.
9. Markets are where the potential buyers and sellers get together.
10. Demand – consumers “willingness to buy”. The lower the price, the more we want to buy. The higher the price, the less we want to buy. This inverse relationship is called the “law of demand.”
11. Demand is always changing. This slide shows things that were in demand a few years ago. Popular movies and increases in taste may increase or create demand.
12. This slide shows many things that were popular in the last 12 months. Many of these things are new or have dramatically come down in price.
13. This is a “demand schedule”, which shows that “quantity demanded” increases with a decrease in price and decreases with an increase in price.
14. This shows the “law of demand” where the price of coke goes from .60 to .25 to .10 and new buyers are drinking coke because of the substitution effect and income effect.
15. This summarizes the “law of demand”, which is triggered by a price change and results in a point to point movement on a stable demand curve.
16. Henry Ford dropped the price on his Model T from $850 to $260 to increase. He made a famous “law of demand” classic statement by saying, “Every time I reduce the price of our car by $1, I get a thousand new buyers.”
17. This cartoon appeared in the Dallas Morning News with a common mistake. The price of lemonade went up from .5 to .15 and Oliver says there was a “decrease in demand.” Because there was a price change, he should have said there was a “decrease in QD.”
18. This is the same cartoon with the corrected “change in QD” answer, showing the point to point movement on a stable demand curve rather than a shift of the whole demand curve.
19. This summarizes the 3 reasons for the downward sloping demand curve. The first one is the “law of diminishing marginal utility”, which means that as we consume an item we will keep consuming more of it unless the price is lowered.
20. This continues the previous slide explanation of the reasons for the downward sloping demand curve. It emphasis the “income effect”, that as price drops, we are richer and tend to consume more.