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Behavioural Economics — Lecture 7: Prospect Theory
Today • 58 min • Prof. Anderson
Prospect theory explains why people make irrational decisions under uncertainty. Kahneman & Tversky found losses feel ~2x worse than equivalent gains (loss aversion). The value function is concave for gains, convex for losses.
Key concepts covered
• Loss aversion coefficient (~2.25)
• Reference point dependence
• Diminishing sensitivity
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