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Published byLinda O’Brien’ Modified over 9 years ago
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Agenda -Bellringer -Types of Goods notes -Demand activity -Graphing demand
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Objective Students will identify the law of demand and how to graph a demand curve by completing a worksheet
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Normal versus inferior goods
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Normal good: When income goes up the quantity demanded increases with income; Inferior good: When income goes down the quantity demanded decreases with income;
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Normal good Examples: New clothes New car Movie theater tickets Meals at a nice restaurant Caribbean vacations NFL football games Starbucks **When things are good, what do you splurge on?**
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Inferior good Examples: DVD rentals Used clothes Used cars Public transportation McDonalds Coffee at home **When times are tough, what do you cut back on?**
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Public Transportation (bus) Luxury cars or new cars (purchased) As income goes up, more people buy new cars or luxury cars….. As income decreases, more people use public transportation
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Ramen noodles Dinner at Number 5 As income goes up, more people go out to eat at nice places….. As income decreases, more people eat Ramen noodles
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Substitute goods: an increase in the price of one product leads to an increase in the quantity demanded of a cheaper, similar product Complementary goods: A decrease in the price of one leads to an increase in the quantity demanded of the other.
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substitute good Examples: Tea (for coffee) Ford (for Toyota) Gap (for Abercrombie) Skippy peanut butter (instead of Jiff) Underarmour (Northface) Pepsi (coke) **This is why companies offer coupons/sale prices!! Increase demand over competition!**
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Complementary good Examples: Hot dogs and buns Pencils and erasers DVD players and DVDS Toothbrushes and toothpaste Printers and toner cartridges **One is not good without the other. If there’s a sale on hot dogs, people will automatically demand buns**
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