indifference relation
[/ˌɪndɪˈfərəns rɪˈleɪʃən/]
nounpl: indifference relations
relação de indiferença
1. A binary relation in economics and decision theory where two alternatives or bundles of goods are considered equally preferred by a consumer, such that the consumer is indifferent between choosing one or the other.
In consumer theory, an indifference relation shows which combinations of goods yield the same level of satisfaction.
Na teoria do consumidor, uma relação de indiferença mostra quais combinações de bens produzem o mesmo nível de satisfação.
2. A reflexive, symmetric, and transitive relation used in preference theory to model situations where a decision-maker cannot distinguish between options.
The indifference relation is fundamental to constructing indifference curves in microeconomic analysis.
A relação de indiferença é fundamental para construir curvas de indiferença na análise microeconômica.
This is a technical term used primarily in academic and professional contexts within economics, mathematics, and decision theory. It is not subject to regional variation and is consistently used across Brazil, Portugal, and English-speaking academic communities. The concept is essential in microeconomic theory courses taught in universities worldwide.
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