Principles of Microeconomics — Part 1: Foundations & Comparative Advantage

Welcome to microeconomics. This first part of Professor Sara Solnick's Principles of Microeconomics introduces the foundations of the discipline — scarcity, opportunity cost, sunk costs, rational choice, and decision-making at the margin — then builds the production possibility frontier and uses it to motivate comparative advantage and the gains from trade. By the end of this course you can analyze why individuals (and countries) specialize, how trade creates value, and how economists model choi