In economics, additive utility is a cardinal utility function with the sigma additivity property. Additivity (also called linearity or modularity) means that "the whole is equal to the sum of its parts." That is, the utility of a set of items is the sum of the utilities of each item separately.
In economics, additive utility is a cardinal utility function with the sigma additivity property. Additivity (also called linearity or modularity) means that "the whole is equal to the sum of its parts." That is, the utility of a set of items is the sum of the utilities of each item separately.
Source: Wikipedia "Additive utility" · CC BY-SA 4.0
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