Textbook Guide Economics: Demand Curve, Peanut Butter, Perfect Competition
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ECO101H1 Full Course Notes
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Perfectly competitive markets have identical goods throughout the market and have a high enough amount of buyers and sellers that no single buyer or seller has influence over market price. The following is a demand schedule of an ice-cream cone: a demand curve is the visual representation through a graph of the relationship between the price of a good and the quantity demanded. Changes in income can alter the demand of a good or service. When demand for a good decreases when income decreases, it is referred to as a normal good. When demand for a good increases when income decreases, it is referred to as an inferior good. Changes in prices of related goods can alter the demand of a good or service. When demand for a good increases when the price of another good increases, the two goods are called substitutes.