Utility and related concepts (Expected utility, Average utility, Marginal utility, Utility function, and Stone-Geary utility function)

Document Type : Original Article

Author
Economic Research Institute, Tarbiat Modares University, Tehran, Iran
Abstract
This article first defines utility. Then, it presents the expected utility, average utility, and marginal utility. I specifies the utility function. Finally, this article the explains Stone-Geary utility function and the linear expense system.
Keywords