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Economics Unit 4, Lesson 1. MARKETS. TO SHIFT OR NOT TO SHIFT. Objectives. Identify the determinant that causes a change in equilibrium price. Construct a market, and graph a change in supply and demand with new equilibrium. What does it take to make a market?. Buyer = demand
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Economics Unit 4, Lesson 1 MARKETS TO SHIFT OR NOT TO SHIFT
Objectives • Identify the determinant that causes a change in equilibrium price. • Construct a market, and graph a change in supply and demand with new equilibrium.
What does it take to make a market? • Buyer = demand • Seller= Supply Draw a market and label • P • Q • S & D • EP & EQ
Product: Toothpaste $ S E EP D Q EQ
Show what would happen if Crest has a very successful ad campaign. Change in D? or Change in S?
Product: Toothpaste $ S E1 EP1 D1 Q EQ1
Product: Toothpaste $ S E2 EP2 E1 EP1 D2 D1 Q EQ1 EQ2
What happened to EP? Increased To EQ? Increased So we can generalize and say if… D EP EQ
Show what would happen if the price of seaweed goes up. Change in D? or Change in S?
Product: Toothpaste $ S E1 EP1 D1 Q EQ1
Product: Toothpaste S2 $ S1 E2 EP2 E1 EP1 D1 Q EQ2 EQ1
This was caused by a change in the cost of inputs. Seaweed is a major ingredient of toothpaste.
What happened to EP? Increased To EQ? Decreased So we can generalize and say if… S EP EQ
Show what would happen if a new machine can harvest seaweed faster and cheaper. Change in D? or Change in S?
Product: Toothpaste $ S E1 EP1 D1 Q EQ1
Product: Toothpaste $ S1 S2 E1 EP1 EP2 D1 EQ1 EQ2 Q
What happened to EP?DecreasedWhat happened to EQ?IncreasedSo we can generalize and say if… S EP EQ
Show what would happen if the Surgeon General announced that toothpaste was harmful to your heart. Change in Demand or Change in Supply?
Product: Toothpaste $ S1 E1 D1 Q
Product: Toothpaste $ S E1 EP1 EP2 D1 D2 EQ2 Q EQ1
Both decreased.We can generalize and say if… D EP EQ