🔬 Discovery

Endowment effect

Efecto dotación

Date
1980 · confidence high
Place
Ithaca, New York, United States
Credited to
Richard Thaler
Field
Life & health

What was discovered

A cognitive bias whereby people value a good more simply because they own it, documented by economist Richard Thaler as evidence of loss aversion against the classical economic model.

What it led to

  • Consolidation of behavioral economics
  • Revision of the rationality assumption in economics
  • Applications in marketing and public-policy design (nudge theory)

Links

Sources✓ verified 2026-09-28