Consumer theory assumes that utility functions are consistent over time
the verdict
REFUTED
the evidence says no
confidence 14/100
Consumer theory's assumption of consistent utility functions over time is challenged by empirical evidence showing that human intertemporal choices and preferences fluctuate due to emotions, motor dynamics, and contextual inconsistencies.
Evidence against · 2
Does sadness bring myopia: an intertemporal choice experiment with college students.
2024 · cited by 4
Paper [0] demonstrates that individuals' intertemporal choices and preferences for rewards are inconsistent and influenced by emotional states like sadness, challenging rigid consistency assumptions.
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More against · 1
The Trembling Hand Unraveled: Motor Dynamics and Choice Inconsistency.
2025 · cited by 0
Paper [9] provides extensive evidence that humans are inherently inconsistent in their economic and risky choices.