Microeconomics

The Bonn Graduate School of Economics
The Bonn Graduate School of Economics is designed for highly qualified students with a strong interest in quantitative economic research. The successful completion of the program will qualify students for positions in academic institutions, industry, political and public administration.
http://www.bgse.uni-bonn.de/

The Information Economy
The economics of the internet, information goods, intellectual property and related issues compiled by Hal R. Varian
http://www.sims.berkeley.edu/resources/infoecon/

Microeconomics (D1-D4)
Economics Working Paper Archiv.
http://econwpa.wustl.edu/months/mic

Price Theory
An intermediate text by David Friedman
http://www.daviddfriedman.com/Academic/Price_Theory/PThy_ToC.html

Problems in Microeconomics
Problems in Microeconomics is a set of practice problems and interactive lecture displays for students and faculty in introductory courses in microeconomics. The problems were written by Byron W. Brown, Professor of Economics at Michigan State University.
http://www.bus.msu.edu/econ/brown/pim/index.htm

Risk and Certainty Equivalent Applet
A discussion of risk and uncertainty and an applet demonstrating how to calculate a certainty equivalent for risk averse or risk seeking individuals.
http://www.gametheory.net/Mike/applets/Risk/

Supply and Demand Principles
Explains basic principles of supply and demand curves.
http://members.tripod.com/~GOPcapitalist/supply.html

WebEc - Microeconomics
Contains links to and descriptions of resources related to Microeconomics.
http://www.helsinki.fi/WebEc/framed.html

NPR : 'Freakonomics': Musings of a 'Rogue Economist'
Economist Steven Levitt talks about his new book, "Freakonomics." A professor at the University of Chicago, Levitt uses statistics to examine matters of everyday life, often with unexpected results. [10:31 streaming audio broadcast] <small>(April, 2005)</small>
http://www.npr.org/templates/story/story.php?storyId=4583937