What is Economics?

Read the discussion about Economics at http://www.mcwdn.org/ECONOMICS/Econ.html.

Also open the link http://www.vanderbilt.edu/AEA/students/WhatIsEconomics.htm

The concepts important for review and understanding are the following:

1. voluntary exchange
2. comparative advantage
3. Productivity
4. externalities
5. marginal analysis
6.marginal costs
7. Theory
8. correlation vs.causation
9. economic model
10.opportunity costs

Then if you have comments or questions you can post them in the comment link. Have a good time and happy reading.