Behavioural Economics
Wikipedia - a very useful central article that spiders out to many useful definitions
Definition from the Concise Encyclopedia of Economics and authored by Richard Thaler, no less.
Interesting points of criticism in this wikipedia entry
Loss Aversion — how the desire to avoid losses crowds out gains
Endowment Effect — how owning something increases its apparent value
Chunking — the psychology behind why simple tasks are easier than complex ones
Prospect Theory — Kahenman & Tversky’s grand theory designed to bring their work on heuristics together
Status Quo Bias — the influence the desire to see things stay the same plays
Gambler’s Fallacy — the most famous example of poor probability reason and confusion over causation
Self-serving bias — the tendency to only notice evidence that supports one’s case, while conveniently over-looking evidence to the contrary
Money Illusion — the tendency to concentrate on nominal number values over real-spending power or economic value
Framing Effect — the central psychology effect that means that identical conditions can be made to ‘feel’ different.
Mental Accounting — the influence of ring-fencing, labeling and tagging certain funds of money for specific purposes.