Extensively tested in schools and colleges, this modular-based book provides a progressive introduction to supply and demand analysis and the theory of the firm and shows how it can be applied to real economic problems. Its generous use of diagrams, examples and past examination questions helps the student understand and apply the basic principles. Each topic is developed through the use of data response and multiple choice questions. No previous knowledge of the subject is assumed but the text progresses through the material to achieve the necessary standard for examination success. - Provides the teacher with everything which is required for teaching this essential part of the syllabus - Takes a modular approach to the teaching of economics - Written by an experienced teacher in schools, (see Author details) - Meets the requirements of London University A Level effective from September 2000 - Icons to guide the student through the text - Generous use of diagrams, examples and past examination questions - Each section incorporates data response and multiple choice questions