Dictionary

The Dictionary provides concise definitions of health economics terms, arranged alphabetically for quick reference. Use it to understand unfamiliar terminology or confirm the meaning of a specific term.

Terms in U

U

Utilitarian WelfareTermUtilitarianism, Sum-Ranking Welfare
A conception of social welfare judging policies by the sum, or average, of individual utility across the population, regardless of distribution.
UtilityConceptPreference Satisfaction, Wellbeing Measure
Utility is a numerical measure of preference; in health economics, a health utility values a health state on a scale where 1 is full health and 0 is dead.
Utility FunctionConceptPreference Function, Utility Representation
A utility function gives each outcome a number so that preferred outcomes score higher; in health economics it values health states, survival and income.
Utility MaximisationConceptUtility Maximization, Preference Optimisation
Utility maximisation is the assumption that a person chooses the affordable option they rank highest, the basis of health economic models of demand.
Utility Possibility FrontierConceptUtility Possibilities Frontier
The utility possibility frontier is a Pareto frontier of utility levels, where fixed resources such as a health budget let no one gain unless others lose.
Utility-Based MeasureTermHealth Utility Instrument, Preference-Based HRQoL Tool
A health outcome measure whose scores derive from a formal preference elicitation process and can be used directly to weight time for QALYs.