Chapter 7 NotesI.The Basic Idea of Utilitya.Utility and decision makingi.Utility- a measure of the amount of satisfaction a person derives from somethingii.People get utility from goods and servicesiii.Things you like increase your utilityb.Revealed preferencei.Utility is subjective and mysteriousii.Revealed preference- the idea that peoples preferences can be determined by observing their choices and behaviorc.Utility functionsi.Utility function- a formula for calculating the total utility that a particular [person derives from consuming a combination of goods and servicesii.Bundle- each unique combination of goods and services that a person could choose to consumeiii.Utility functions are relative not absoluteII.Marginal Utilityi.Marginal utility- the change in total utility that comes from consuming one additional unit of a good or serviceii.Diminishing marginal utility- the principle that the additional utility gained from consuming successive units of a good or