Internet resources
Chapter 3: The Supply and Demand Model

History of Money from Ancient Times to the Present Day (by Glyn Davies): This site contains a good discussion of how money was introduced into economic systems.
Current exchange rate information: Links to online sources of exchange rate information are provided here.
Financial market information: This page contains links to a variety of financial market information.
The Great Toilet Paper Shortage: A page that describes the toilet paper shortage created as a result of an opening monologue by Johnny Carson during a Tonight Show episode. This provides a somewhat humorous example of the role of expectations on demand.
U.S. Department of Labor minimum wage page: The minimum wage is an example of a price floor in the labor market. This page contains information about the history of the minimum wage, the current requirements, and graphs and tables displaying changes in the minimum wage over time.
Alternative views on the economic effects of the minimum wage may be found at: "The Folly of Increasing the Minimum Wage" by Mark Wilson (Heritage Foundation) "Minimum Wage Issue Paper" Iain Gold (AFL-CIO Economic Research Department) "Who Wins With a Higher Minimum Wage?" Mishel, Bernstein, and Rasell (Economic Policy Institute): This is an example of a dispute involving both positive and mormative economic issues. In examining these online documents, try to distinguish between the positive and normative arguments.

Other economic resources: This page contains a set of links to economic resources that may be of interest to introductory economics students.