3-2 changes in demand. what does it mean for a product’s demand to shift? what factors can shift...
TRANSCRIPT
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Chapter 33-2 Changes in Demand
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Objectives
• What does it mean for a product’s demand to shift?• What factors can shift demand for a
product?• How do substitute goods differ from
complementary goods?
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Vocabulary
• determinants of demand• substitution goods• complementary goods
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Changes of Demand
• When a product’s demand shifts, different quantities of a product are demanded at each and every price.• Determinants of demand – factors
other than price that cause an increase or decrease in the quantity demanded at each price• Causes the graph to shift to the left
(decrease) or to the right (increase)
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Determinants of Demand
(Non-price) Determinants of demand – Factors other than price causes an increase or decrease in quantity demanded at any given price – creates a new demand curve1. Consumer tastes and preferences2. Market size3. Income4. Prices of related goods5. Consumer expectations
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Effects of Demand Shifts
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Non-price Determinants of Demand
• Consumer tastes and preferences•Based on popularity and trends•May be influenced by advertising•Baby carrots; Silly Bandz
• Market size•Based on the number of people in a geographic area•Can also reflect the number of people in a demographic – example: knee/hip replacements
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Non-price Determinants of Demand cont’d
• Income•More money = higher demand – get a job or a raise•Less money = lower demand – lose a job
• Consumer expectations•Behavior changes based on what people believe will happen•Example – stop and get gas if you think prices will go up even if you wouldn’t normally have stopped
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Non-price Determinants of Demand cont’d
• Price of related goods•Demand is connected to the demand of another product
• Substitute goods•Goods that can be used in place of another product when the price rises – price of butter goes up so you buy margarine instead – demand for margarine changes though the price of margarine hasn’t changed
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Non-price Determinants of Demand cont’d
• Price of related goods•Demand is connected to the demand of another product
• Complementary goods•Goods that are used along with another good• You buy more of the complementary good even though the price hasn’t changed when the price of another good drops• Example – if the price of paint drops, you buy more paint brushes even though the price hasn’t changed– paint brushes are a complementary good to paint
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Complete the chart – add 5 more items
Product Substitute Good Complementary Good
butter margarine bread