differences between capital economy and communist economies
The main difference is that in a capitalistic economy, most businesses and services are owned by individuals and private corporations. In a communist economy, most are owned and managed by the government. Check these sites for more information.
http://en.wikipedia.org/wiki/Capitalism
http://www.canadianeconomy.gc.ca/english/economy/capitalism_socialism.html
http://www.thefreedictionary.com/communist+economy
http://www.auburn.edu/~johnspm/gloss/communism