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In economics, utility is a measure of a certain person's satisfaction from a certain state of the world. Over time, the term has been used with at least two meanings. In a normative context, utility refers to a goal or objective that we wish to maximize, i.e., an objective function.
With ordinal utility, a person's preferences do not have a unique marginal utility, making the concept of diminishing marginal utility irrelevant. On the other hand, diminishing marginal utility is a significant concept in cardinal utility , which is used to analyse intertemporal choice , choice under uncertainty , and social welfare in modern ...
The word utility is used to mean general well-being or happiness, and Mill's view is that utility is the consequence of a good action. Utility, within the context of utilitarianism, refers to people performing actions for social utility. By social utility, he means the well-being of many people.
For instance, from the example above in economics, if the maximal utility of two goods is achieved when the quantity of goods x and y are (−2, 5), and the utility is subject to the constraint x and y are greater than or equal to 0 (one cannot consume a negative quantity of goods) as is usually the case, then the actual solution to the problem ...
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The price that consumer is willing to pay is same as the marginal utility of the consumer. Allocative Efficiency example . From the graph we can see that at the output of 40, the marginal cost of good is $6 while the price that consumer is willing to pay is $15. It means the marginal utility of the consumer is higher than the marginal cost.
A class of utility functions known as Cobb-Douglas utility functions are very commonly used in economics for two reasons: 1. They represent ‘well-behaved’ preferences, such as more is better and preference for variety. 2. They are very flexible and can be adjusted to fit real-world data very easily.
The utility–possibility frontier (UPF) is the upper frontier of the utility possibilities set, which is the set of utility levels of agents possible for a given amount of output, and thus the utility levels possible in a given consumer Edgeworth box. The slope of the UPF is the trade-off of utilities between two individuals. [2]