Behavioral Economics
12 units · 96 lessons · Beginner · Free
Beginner-level tour of behavioral economics: how real human psychology shapes economic decisions, drawn from the work of Kahneman, Tversky, Thaler, Sunstein, Ariely, and others.
What the course covers
Unit 1 Foundations of Behavioral Economics
How behavior, psychology, and the limits of rationality reshape the economics of real human decisions.
- What is behavioral economics?
- Homo economicus: the rational agent myth
- Bounded rationality
- From Adam Smith to Kahneman
- Why standard economics fails
- The behavioral toolbox
- Three pioneers: Kahneman, Tversky, Thaler
- How to think like a behavioral economist
Unit 2 System 1 and System 2 Thinking
Two modes of thought drive every decision — one fast and automatic, the other slow and effortful.
- The two systems
- System 1: Fast and automatic
- System 2: Slow and effortful
- The lazy controller
- Cognitive ease
- When System 1 misleads
- Substitution
- Training your System 2
Unit 3 Heuristics — Mental Shortcuts
The shortcuts our minds use to make quick decisions — when they work and when they backfire.
- What is a heuristic?
- Representativeness
- Availability
- Anchoring and adjustment
- The affect heuristic
- Recognition heuristic
- Fast and frugal heuristics
- When heuristics help vs. hurt
Key termsUnit 4 Cognitive Biases
Systematic deviations from rational thinking that shape every decision we make.
- Confirmation bias
- Overconfidence
- Hindsight bias
- Halo effect
- Fundamental attribution error
- Sunk cost fallacy
- Status quo bias
- The illusion of validity
Unit 5 Prospect Theory and Loss Aversion
Kahneman and Tversky's revolution: how people really evaluate risk and reward.
- Expected utility vs. prospect theory
- Reference dependence
- Loss aversion
- Diminishing sensitivity
- The S-shaped value function
- Probability weighting
- The fourfold pattern
- The endowment effect
Unit 6 Mental Accounting
Thaler's insight: money isn't fungible — we sort it into mental buckets that change how we spend.
- What is mental accounting?
- Buckets and budgets
- The house money effect
- Hedonic editing
- Payment decoupling
- Income source and spending
- The pain of paying
- Mental accounting in practice
Key termsUnit 7 Framing Effects
How the same decision changes dramatically depending on how the choice is presented.
- What is framing?
- Gain vs. loss framing
- The Asian disease problem
- Attribute framing
- Goal framing
- The reflection effect
- Framing in marketing
- Framing in policy and life
Unit 8 Time and Self-Control
Why we struggle to do what's good for our future selves — and how to design around it.
- Intertemporal choice
- Exponential discounting
- Hyperbolic discounting
- Present bias
- Procrastination
- The marshmallow test
- Commitment devices
- Pre-commitment strategies
Unit 9 Social Preferences and Fairness
We are not selfish maximizers — fairness, reciprocity, and trust drive much of economic life.
- The fairness instinct
- The ultimatum game
- The dictator game
- Reciprocity
- Trust and trust games
- Inequality aversion
- Public goods and free riding
- Social norms
Unit 10 Nudges and Choice Architecture
Thaler and Sunstein's playbook for steering decisions without restricting freedom.
- What is a nudge?
- Libertarian paternalism
- Default effects
- Social proof
- Salience and attention
- Friction and sludge
- Save More Tomorrow
- Limits and critiques of nudging
Unit 11 Behavioral Finance
The behavioral side of markets — why investors aren't rational and what it means for prices.
- The efficient market hypothesis
- The disposition effect
- Herding and bubbles
- Overtrading
- Home bias
- The equity premium puzzle
- Calendar and anomaly effects
- Robo-advisors and behavioral coaches
Unit 12 Applications and Critique
Behavioral economics in the real world — public policy, health, business, and the field's open questions.
- Behavioral public policy
- Health and behavior
- Behavioral marketing
- Behavior in the workplace
- The MINDSPACE and EAST frameworks
- The replication crisis
- Cultural differences (WEIRD critique)
- Becoming a behavioral economist