Gain a deep understanding of the principles of economics that apply to the functions of individual decision-makers—both consumers and producers—within the economic system. This section provides a comprehensive library of academic documents organized into the six core units: Basic Economic Concepts, Supply and Demand, Production, Cost and the Perfect Competition Model, Imperfect Competition, Factor Markets, and Market Failure and the Role of Government. You will find high-quality study guides that master essential models like the Production Possibilities Curve, Consumer and Producer Surplus, and the various market structures. Whether you are analyzing marginal cost curves or practicing for the three free-response questions, these resources provide the graphical precision and logical frameworks necessary to excel on the AP® exam.