http://www.beechmontcrest.com/microeconomics_vs_macroeconomics.htm

http://www.stchas.edu/faculty/gbowling/survey/MicroeconomicsVsMacroeconomics-Macro.html

http://www.investopedia.com/ask/answers/110.asp

Videos

http://www.youtube.com/watch?v=bRv2eDFe2C4

http://www.youtube.com/watch?v=t3AxXZumKlk&feature=related

http://www.youtube.com/watch?v=4MMIkkG8pAQ&feature=related

http://www.youtube.com/watch?v=61GCogalzVc&feature=related  Perfect Competition