Study Guide for Arnold's Economics Author:Roger A. Arnold Written and updated by the author, this Study Guide includes a list of key concepts and terms, review questions and problems, and short-answer exercises asking ?what is wrong?? or ?what has been overlooked?? Multiple-choice, true/false, and fill-in-the-blank practice questions are also included. The Study Guide has been fully updated to reflect ... more »the changes in the core text.« less