Activity and answer key are in the Microsoft Word document, Discovering Economic Systems.
Student web page http://www.econedlink.org/lessons/index.php?lesson=EM322 Teacher web page http://www.econedlink.org/lessons/index.php?lesson=322&page=teacher The Comparative Worksheet link on the website is inoperable. Make copies of the worksheet found on pages 3 and 4 of the Microsoft Word Discovering Economic Types document.
Activity and rubric are in the Microsoft Word document, Discovering Economic Systems.