The utility function can be used to derive the demand function, and both concepts relate to utility maximization.

Georges Dionne, Moral Hazard and State-Dependent Utility Function, The Journal of Risk and Insurance, Vol. 49, No. 3 (Sep., 1982), pp. 405-422 ...

The paper studies the problem of maximizing the expected utility of terminal wealth in the framework of a general incomplete semimartingale model of a financial market. We show that the necessary and ...

Understanding Hyperbolic Absolute Risk Aversion ARA is a means of measuring risk avoidance via a convenient mathematical equation. If all investors are assumed to have similar utility functions ...