Key Concepts:

Endowment Effect

Attributing extra value to a possession just because you own it

Mental Accounting

Bucketing money to spend

Self Control Problems

Availability Heuristic

Heuristics are mental shortcuts that we take to decide something quickly Availability Heuristics tricks us by giving us examples around us, which might not be the true representation of the real world.

Loss Aversion

Losing something is more difficult than finding something of same value This is why people are very reluctant to take risks

Challenging the Efficient Market Hypothesis

Nudging and Libertarian Paternalism

There is a whole book on this by Thaler - Nudge

Anchoring Bias

Being influenced by first data points that are provided, even if they are irrelevant.

Coase Theorem

Framing Effects

Framed differently, people might be manipulated to chose the same thing.