Arnold Xtra!
Xtra home Demo Enter Register Purchase Instructors This site for Economics, 7e; Microeconomics, 7e; and Macroeconomics, 7e provides you access to a robust set of online learning tools:
  • Quiz Your Knowledge
  • Master the Learning Objectives
  • The Graphing Workshop
  • Ask the Instructor Video Clips
  • CNN Video Clips
  • Economic Applications