Texas Education Agency
Texas Gateway: How Economies Can Be Organized: An Overview of Economic Systems
By the end of this section, you will be able to contrast traditional economies, command economies, and market economies; explain gross domestic product (GDP); and assess the importance and effects of globalization.
Council for Economic Education
Econ Ed Link: I Have No Money, Would You Take a Wampum?
This site teaches students about traditional economies and how exchanges of goods and services were made before money. Students learn about a bater economy which predates our traditional economy.