The FACS
Journalist's Guide to Economic Terms http://www.facsnet.org/
(best bet)
A guide to over 200 economic terms most often encountered by journalists. Good as a general guide.
The World
Lecture Hall http://www.utexas.edu/world/lecture/eco/
(best bet)
Links to pages created by faculty worldwide who are using the Web to deliver class materials.
(Recommended by Steve Hackett, Humboldt State University)