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