Other
Center for Responsive Politics: Open Secrets
Opensecrets.org is a non-partisan, non-profit research group based in Washington, D.C. that tracks money in politics, and its effect on elections and public policy.
University of Nebraska Omaha
University of Omaha: Lesson Plan: Why Do I Want All This Stuff? [Pdf]
This lesson plan addresses consumer demand and advertising. Indicated for grades 3 through 5.