This concise and comprehensive introduction to economics offers readers at all levels a more realistic approach to understanding the elements of resource and product markets, including the role of business decisions; technological change; product differentiation; uncertainty; and the optimal location of activities. With the book's easy-to-use software package for computations, even non-economists will become strongly motivated and can gain a proficiency in economic analysis as well as in practical and professional decision-making skills. End-of-chapter problems, computer exercises, programming examples, and numerous diagrams further enhance the book's usefulness.