Prof. Dr. Klaus Herdzina is a professor at the University of Hohenheim. Prof. Dr. Stephan Seiter is a professor at the ESB Business School at Reutlingen University. This textbook provides a clear presentation of a central subfield of economics. Since the content and significance of microeconomics often remain unclear because students have to do too much calculation and do not have enough time to think, algebra is used only sparingly. Instead, the book presents the fundamental questions and models in a clearer and more reader-friendly manner and supports learning with numerous review questions. Content: Fundamentals, Introduction to Demand and Supply Theory, Demand Theory, Supply Theory, Market Equilibrium Theory, Market Process Theory. The textbook answers, among other things, the following questions: Why and in what M.