Here are two videos that can help you in understanding how the economy works and the economic theory's that support them as discussed by world renowned Friedrich Hayek a Nobel Prize winning economist and John Maynard Keynes who started a revolution in economic thinking in the 1930's.

Part 1

"Fear the Boom and Bust" a Hayek vs. Keynes Rap Anthem

http://www.youtube.com/embed/d0nERTFo-Sk

Part 2

Fight of the Century: Keynes vs. Hayek Round Two

http://www.youtube.com/embed/GTQnarzmTOc

If the links do not work just go to http://www.youtube.com and search "epic rap battles of history economics" and it will be the first two videos in the search