Did you check loss and found Much each term to its definition Price Elasticity of Demand Elastic Demand Normal Good Interior Goods Substitutes Necessity Luxuries Complements Cross-Price Elasticity of Demand income Elasticity of Demand Price Elasticity of Supply A Belers to a good or service with income elasticities of demand is greater than unity this implies that as income rises, the good or service accounts for an increasing ponion of a consumer's income A calculation of the ratio of the percentage change in quantity demanded of one good or service to the percentage change in the price of another good or service; a positive coefficient indicates that the two products are substitutes whereas a negative coefficient indicates that the two are complementary goods Graphical demand curve and which price can be of any amount of a Total-Revenue Test Total() DAS which producers of a product of runable to change the quantity Perfecty Elastic Demand there is perfectly slave supply Perfectly in Demand Istic Demand Long Run Mat Pan Shot Run E Graphs as a total demantove and sa which qurity demand can be of ang ano Action of the ratio of the percentage change in quantity demanded of a good or service to the percentage change in the consumer's income measures the sponsiveness of consumer purchases to income changes Agood or service in which consumption decreases as income increases and consumption increases as income decreases prices are held constant