utility function

Utility function

A mathematical expression that assigns a value to all possible choices. In portfolio theory, the utility function expresses the preferences of economic entities with respect to perceived risk and expected return.

Utility Function

The expression of desire in mathematical terms. Utility function is important in investing; it may show the usefulness of investing in some securities as opposed to different ones. For instance, a stock with low risk and a high return has a higher utility function than a stock with high risk and a low return. See also: Marginal Utility.

utility function

a function denoting the quantities of goods and services that an individual consumes, of the form:

where U_t = total utility and x₁ ,x₂ . products consumed.

In order to achieve CONSUMER EQUILIBRIUM, the individual will select a combination of products, in line with his preferences, that maximizes his TOTAL UTILITY from his given income. See

CARDINAL UTILITY, ORDINAL UTILITY, MARGINAL UTILITY utility maximization see CONSUMER EQUILIBRIUM.

单词	utility function
释义	utility function utility function n (Economics) a function relating specific goods and services in an economy to individual preferences EncyclopediaSeeutility utility function Utility function A mathematical expression that assigns a value to all possible choices. In portfolio theory, the utility function expresses the preferences of economic entities with respect to perceived risk and expected return. Utility Function The expression of desire in mathematical terms. Utility function is important in investing; it may show the usefulness of investing in some securities as opposed to different ones. For instance, a stock with low risk and a high return has a higher utility function than a stock with high risk and a low return. See also: Marginal Utility. utility function a function denoting the quantities of goods and services that an individual consumes, of the form: where U_t = total utility and x₁ ,x₂ . products consumed. In order to achieve CONSUMER EQUILIBRIUM, the individual will select a combination of products, in line with his preferences, that maximizes his TOTAL UTILITY from his given income. See CARDINAL UTILITY, ORDINAL UTILITY, MARGINAL UTILITY utility maximization see CONSUMER EQUILIBRIUM.
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