Quasilinear utility

In economics and consumer theory, quasilinear utility functions are linear in one argument, generally the numeraire. This utility function has the representation $u(x_1, x_2, \ldots, x_n) = x_1 + \theta (x_2, \ldots, x_n)$ . If $\theta$ is concave, this has the interpretation that the marginal rate of substitution is diminishing, which is typical of a utility function.

单词	Quasilinear utility
释义	Quasilinear utility 英语百科 Quasilinear utility In economics and consumer theory, quasilinear utility functions are linear in one argument, generally the numeraire. This utility function has the representation $u(x_1, x_2, \ldots, x_n) = x_1 + \theta (x_2, \ldots, x_n)$ . If $\theta$ is concave, this has the interpretation that the marginal rate of substitution is diminishing, which is typical of a utility function.
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