Subject 1 · First subject free

Economic Thinking and Choice

This subject covers Scarcity, Trade-offs and Opportunity Cost, Marginal Thinking, Incentives and Sunk Costs, Production Possibilities, Efficiency and Comparative Advantage, and Economic Models, Data and Limits of Inference.

Read the whole first subject without an account: its lessons, summary and review questions.

Subject lessons

  1. Lesson 1 Scarcity, Trade-offs and Opportunity Cost 5 min read
  2. Lesson 2 Marginal Thinking, Incentives and Sunk Costs 5 min read
  3. Lesson 3 Production Possibilities, Efficiency and Comparative Advantage 5 min read
  4. Lesson 4 Economic Models, Data and Limits of Inference 5 min read
  5. Integrated subject summary Review questions

The remaining subjects unlock in sequence once you create a free account.