# ECON 101: Principles of Microeconomics Source: https://wisconsin.twango.dev/sp25-econ101/README # ECON 101: Principles of Microeconomics Spring 2025 · UW–Madison Microeconomics examines how people and firms make choices when resources are limited. These notes connect market models with incentives, welfare, and policy questions. ## Topics - Opportunity cost, trade, supply and demand - Consumer choice and production costs - Competition, monopoly, and strategic behavior - Externalities, public goods, inequality, and information ## Notes - [[lectures/index|Lectures]] - [[discussions/index|Discussion exercises]] - [[homework/index|Homework]] - [[sp25-econ101/readings/index|Readings]] - [[exams/index|Exam preparation]] - [[course-details|Course details and source notes]]