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9708 · 7.1

Utility

9708 AS utility — total, marginal, and diminishing marginal utility with demand derivation.

Need to know

What you need to know

  • Utility is the satisfaction or economic welfare gained from consumption.
  • It is a subjective concept, varying between individuals and over time.
  • Economists use a hypothetical unit, 'utils', for theoretical analysis.
  • The core assumption is that rational consumers aim to maximise their total utility.

Explanation

Utility

  1. Utility is the satisfaction or economic welfare gained from consumption.
  2. It is a subjective concept, varying between individuals and over time.
  3. Economists use a hypothetical unit, 'utils', for theoretical analysis.
  4. The core assumption is that rational consumers aim to maximise their total utility.