Memory Demand TermsVersión en línea Econ Ch4.1 por Kim Jacoway Individual Demand Schedule the principle which states that the extra satisfaction we get from using additional quantities of the product begins to diminish. the extra usefulness or satisfaction a person gets from acquiring or using one more unit of a product The quantity of a good or service demanded varies inversely with the price. Diminishing Marginal Utility Utility Marginal Utility Graph that shows the amount an individual or a market will pay for a product at multiple price points Market Demand Curve Demand The willingness, ability and desire to buy a product Law of Demand the amount of usefulness or satisfaction that someone gets from the use of a product or service. Chart that shows the amount an individual is willing to pay for an item at multiple price points.