1.1.1 the two branches of economics and the main forms of economic analyses, 1.1.2 the concept of relative scarcity & resources used to satisfy needs and wants, 1.1.3 the concept and applications of opportunity cost - The Production Possibilities Curve (Frontier)...
Chapter 1: Economic Foundations and Models, Chapter 2: Trade-offs, Comparative Advantage, and Market System, Chapter 3: Where Prices comes form: the Interaction of Supply and Demand...