Business Administration - Accounting & Financial Planning ECN502 Lecture Notes - Lecture 3: Demand Curve, Normal Good
The Demand Curve
• A graphical representation of the inverse relationship
between quantity demanded and price
• Can be linear or non-linear
The Demand Curve
• Quantity demanded: a point on the demand curve
• Demand: the entire curve
Variables Affecting Demand: Income
• Income affects the demand for a product
– For most products, as the income of consumers
increases, the demand for a product increases
– Normal good: a product whose demand increases as
income increases
Variables Affecting Demand: Income
– Inferior product: a product whose demand decreases
as income increases
• Example: non-brand products
Variables Affecting Demand:
Prices of Related Products
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Document Summary
The demand curve: a graphical representation of the inverse relationship, can be linear or non-linear between quantity demanded and price. The demand curve: quantity demanded: a point on the demand curve, demand: the entire curve. Variables affecting demand: income: income affects the demand for a product. For most products, as the income of consumers increases, the demand for a product increases. Normal good: a product whose demand increases as income increases. Inferior product: a product whose demand decreases as income increases: example: non-brand products. Prices of related products: substitutes : products that fulfill the same needs. Pizza or hamburger: as the price of one product increases the demand for its substitute increases. Prices of related products: complements: jointly used products. As the price of a product increases, the demand for its complement decreases. Tastes and preferences: consumers" preferences for a product, a number of variables influence people"s preferences.