ECON 304 Lecture Notes - Lecture 20: Demand Curve, Super Bowl Commercials, Opportunity Cost
Document Summary
Changes in demand versus changes in quantity demanded. When the price of a product rises, consumers buy fewer units of that product. This is a movement along an existing demand curve. However, when one or more of the determinants changes, the entire demand curve is altered. Now at any given price, consumers are willing to purchase more or less depending on the nature of the change. This section focuses on this important distinction between changes in demand versus changes in quantity demanded. A change in demand occur whenever one or more of the determinants of demand change and demand curves shift. When demand changes, the demand curve shifts either to the right or to the left. Let"s look at each shift in turn. change in demand: occurs when one or more of the determinants of demand changes, shown as a shift in the entire demand curve. Demand increases when the entire demand curve shifts to the right.