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The single task of the utility function is to translate each basket of goods and services into a number that rank orders the baskets according to our particular consumer’s preferences. The number itself is referred to as the utility of that basket and is measured in utils , which are just quantities of happiness, or well-being, or whatever comes to mind such that more of it is better than less of it.
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3. UTILITY THEORY: MODELING PREFERENCES AND TASTES
, it is possible to come up with a rule that translates the quantities of goods in each basket into the number that our consumer has assigned to each basket. That “assignment rule” is called the utility function of that particular consumer. <span>The single task of that utility function is to translate each basket of goods and services into a number that rank orders the baskets according to our particular consumer’s preferences. The number itself is referred to as the utility of that basket and is measured in utils , which are just quantities of happiness, or well-being, or whatever comes to mind such that more of it is better than less of it. In general, we can represent the utility function as Equation (1)  U=f(Qx1,Qx2,...,Qxn) where the Qs are the quantities of each of th