Matching Pairs Demand and Factors Affecting DemandOnline version Match the concept with its description. by sarah ayyad 1 law of diminishing marginal utility 2 Substitute Goods 3 Advertising 4 Population 5 Price 6 Demand 7 Income 8 Complementary Goods 9 Consumer Preferences 10 Income effect 11 . Substitution effect Goods that can be used in place of one another. states that the marginal benefit from using each additional unit of a good or service during a given time period tends to decline as each is used. amount people buy changes as they buy substitute products one whose price has not changed and that offers a better relative value. The total number of people living in a particular area. The individual tastes, likes, and dislikes that influence consumer behavior. amount people buy changes as purchasing power of their income changes changes—even though the income itself does not change. The promotion of a product or service to increase consumer awareness and demand. The quantity of a good or service that consumers are willing and able to buy at a given price. The amount of money or resources that an individual or household earns over a period of time. Goods that are typically consumed together. The amount of money that must be paid to acquire a good or service.