PRINCIPLES OF MICROECONOMICS, Seventh Edition, continues to be the most popular and widely-used text in the economics classroom. A text by a superb writer and economist that stresses the most important concepts without overwhelming students with an excess of detail. A thorough update has been made to keep all chapters fresh and relevant with current Economic coverage. MindTap, the cutting edge online environment is available with new enhancements that include Graph Builder and Adaptive Test Prep that allow students extra preparation in graph drawing and test review. The seventh edition premier ancillary package is the most extensive in the industry, using a team of instructors/preparers that have been with the project since the first edition.