5: Module 2: Choice in a World of Scarcity Last updated Save as PDF Page ID48256 5.10: Rationality and Self-Interest5.11: Marginal Analysis5.12: Positive and Normative Statements5.13: Putting It Together: Choice in a World of Scarcity5.14: Discussion: Making Irrational Choices5.15: Assignment: Guns or Butter?5.16: Assignment: Problem Set — Choice in a World of Scarcity5.1: Why It Matters: Choice in a World of Scarcity5.2: Introduction to the Cost of Choices5.3: Budget Constraints and Choices5.4: Calculating Opportunity Cost5.5: Learn By Doing: Budget Constraints and Opportunity Cost5.6: Introduction to the Production Possibilities Frontier5.7: The Production Possibilities Frontier5.8: Productive Efficiency and Allocative Efficiency5.9: Introduction to the Economic Way of Thinking